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TemporalWiki

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The dataset generation failed because of a cast error

Error code:   DatasetGenerationCastError
Exception:    DatasetGenerationCastError
Message:      An error occurred while generating the dataset

All the data files must have the same columns, but at some point there are 3 new columns ({'relation', 'subject', 'object'}) and 1 missing columns ({'text'}).

This happened while the csv dataset builder was generating data using

zip://twiki_probes/0801-0901_changed.csv::hf://datasets/seonghyeonye/TemporalWiki@eaf4f150368c3f4b780c006296e9ac1ae8f2c921/TWiki_Probes.zip

Please either edit the data files to have matching columns, or separate them into different configurations (see docs at https://hf.co/docs/hub/datasets-manual-configuration#multiple-configurations)
Traceback:    Traceback (most recent call last):
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 2011, in _prepare_split_single
                  writer.write_table(table)
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/arrow_writer.py", line 585, in write_table
                  pa_table = table_cast(pa_table, self._schema)
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/table.py", line 2302, in table_cast
                  return cast_table_to_schema(table, schema)
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/table.py", line 2256, in cast_table_to_schema
                  raise CastError(
              datasets.table.CastError: Couldn't cast
              subject: string
              relation: string
              object: string
              -- schema metadata --
              pandas: '{"index_columns": [{"kind": "range", "name": null, "start": 0, "' + 604
              to
              {'text': Value(dtype='string', id=None)}
              because column names don't match
              
              During handling of the above exception, another exception occurred:
              
              Traceback (most recent call last):
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1316, in compute_config_parquet_and_info_response
                  parquet_operations, partial = stream_convert_to_parquet(
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 909, in stream_convert_to_parquet
                  builder._prepare_split(
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 1882, in _prepare_split
                  for job_id, done, content in self._prepare_split_single(
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 2013, in _prepare_split_single
                  raise DatasetGenerationCastError.from_cast_error(
              datasets.exceptions.DatasetGenerationCastError: An error occurred while generating the dataset
              
              All the data files must have the same columns, but at some point there are 3 new columns ({'relation', 'subject', 'object'}) and 1 missing columns ({'text'}).
              
              This happened while the csv dataset builder was generating data using
              
              zip://twiki_probes/0801-0901_changed.csv::hf://datasets/seonghyeonye/TemporalWiki@eaf4f150368c3f4b780c006296e9ac1ae8f2c921/TWiki_Probes.zip
              
              Please either edit the data files to have matching columns, or separate them into different configurations (see docs at https://hf.co/docs/hub/datasets-manual-configuration#multiple-configurations)

Need help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.

text string
Anarchism. The etymological origin of "anarchism" is from the Ancient Greek "anarkhia", meaning "without a ruler", composed of the prefix "an-" ("without") and the word "arkhos" ("leader" or "ruler"). Many revolutionaries of the 19th century such as William Godwin (1756–1836) and Wilhelm Weitling (1808–1871) would contribute to the anarchist doctrines of the next generation but did not use "anarchist" or "anarchism" in describing themselves or their beliefs. Some usages of "libertarianism" refers to individualistic free-market philosophy only, and free-market anarchism in particular is termed "libertarian anarchism". While the term "libertarian" has been largely synonymous with anarchism, its meaning has more recently diluted with wider adoption from ideologically disparate groups, including both the New Left and libertarian Marxists, who do not associate themselves with authoritarian socialists or a vanguard party, and extreme cultural liberals, who are primarily concerned with civil liberties. "Anarchism" is broadly used to describe the anti-authoritarian wing of the socialist movement. Anarchism is contrasted to socialist forms which are state-oriented or from above. Scholars of anarchism generally highlight anarchism's socialist credentials and criticise attempts at creating dichotomies between the two. Some scholars describe anarchism as having many influences from liberalism, and being both liberals and socialists but more so, while most scholars reject anarcho-capitalism as a misunderstanding of anarchist principles. While opposition to the state is central to anarchist thought, defining "anarchism" is not an easy task for scholars, as there is a lot of discussion among scholars and anarchists on the matter, and various currents perceive anarchism slightly differently. Major definitional elements include the will for a non-coercive society, the rejection of the state apparatus, the belief that human nature allows humans to exist in or progress toward such a non-coercive society, and a suggestion on how to act to pursue the ideal of anarchy. In China, philosophical anarchism (the discussion on the legitimacy of the state) was delineated by Taoist philosophers Zhuang Zhou and Laozi. By the late 1870s, various anarchist schools of thought had become well-defined and a wave of then unprecedented globalisation occurred from 1880 to 1914. Despite concerns, anarchists enthusiastically participated in the Russian Revolution in opposition to the White movement; however
, they met harsh suppression after the Bolshevik government was stabilised. The Soviet Union provided some limited assistance at the beginning of the war, but the result was a bitter fight among communists and anarchists at a series of events named May Days as Joseph Stalin tried to seise control of the Republicans. The 1960s witnessed a revival of anarchism, likely caused by a perceived failure of Marxism–Leninism and tensions built by the Cold War. During this time, anarchism found a presence in other movements critical towards both capitalism and the state such as the anti-nuclear, environmental, and peace movements, the counterculture of the 1960s, and the New Left. A component especially of individualist anarchism, philosophical anarchism may tolerate the existence of a minimal state but claims that citizens have no moral obligation to obey government when it conflicts with individual autonomy. Anarchism's emphasis on anti-capitalism, egalitarianism, and for the extension of community and individuality sets it apart from anarcho-capitalism and other types of economic libertarianism. Collectivist anarchism arose alongside Marxism but rejected the dictatorship of the proletariat despite the stated Marxist goal of a collectivist stateless society. " Anarcho-communism developed from radical socialist currents after the French Revolution but was first formulated as such in the Italian section of the First International. Its publicity has also led more scholars in fields such as anthropology and history to engage with the anarchist movement, although contemporary anarchism favours actions over academic theory. Various anarchist groups, tendencies, and schools of thought exist today, making it difficult to describe the contemporary anarchist movement. While theorists and activists have established "relatively stable constellations of anarchist principles", there is no consensus on which principles are core and commentators describe multiple "anarchisms", rather than a singular "anarchism", in which common principles are shared between schools of anarchism while each group prioritizes those principles differently. " Anarchist schools disagree on the methods by which these forms should be opposed. Anarchists' tactics take various forms but in general serve two major goals, namely to first oppose the Establishment and secondly to promote anarchist ethics and reflect an anarchist vision of society, illustrating the unity of means and ends. Emma Goldman and Errico Malatesta, who were proponents of limited use of violence, stated that violence is merely a reaction to state violence as a necessary evil. As in the past, newspapers and journals are used, and anarchists have gone online in the World Wide Web to spread their message. Anarchists have found
Autism. About one third to half of autistic people do not develop enough natural speech to meet their daily communication needs
Alabama. Alabama's capital is Montgomery, and its largest city by population and area is Huntsville. Its oldest city is Mobile, founded by French colonists in 1702 as the capital of French Louisiana. Greater Birmingham is Alabama's largest metropolitan area and its economic center. Originally home to many native tribes, present-day Alabama was a Spanish territory beginning in the sixteenth century until the French acquired it in the early eighteenth century. Spain held Mobile as part of Spanish West Florida until 1813. During the antebellum period, Alabama was a major cotton producer, and widely used African American slave labor. Similar to other former slave states, Alabamian legislators employed Jim Crow laws to disenfranchise and discriminate against African Americans from the end of the Reconstruction Era up until the 1960s. Following World War II, Alabama grew as the state's economy diversified. About three-fifths of the land area is part of the Gulf Coastal Plain, a gentle plain with a general descent towards the Mississippi River and the Gulf of Mexico. The state ranges in elevation from sea level at Mobile Bay to more than in the northeast, to Mount Cheaha at . Alabama's land consists of of forest or 67% of the state's total land area
Achilles. .
Abraham Lincoln. Lincoln vetoed only four bills, including the Wade-Davis Bill with its harsh Reconstruction program.
Aristotle. Aristotle was revered among medieval Muslim scholars as "The First Teacher" and among medieval Christians like Thomas Aquinas as simply "The Philosopher", while Dante (one of the most important poets of the Middle Ages) called him “the master of those who know". Aristotle has been called "the father of logic", "the father of biology", "the father of political science", "the father of zoology", "the father of embryology", "the father of natural law", "the father of scientific method", "the father of rhetoric", "the father of psychology", "the father of realism", "the father of criticism", "the father of individualism", "the father of teleology", and "the father of meteorology". For example, he made some of the earliest observations about desalination: he observed early – and correctly – that when seawater is heated, freshwater evaporates and that the oceans are then replenished by the cycle of rainfall and river runoff ("I have proved by experiment that salt water evaporated forms fresh and the vapor does not when it condenses condense into sea water again. "). Besides Dante's fellow poets, the classical figure that most influenced the "Comedy" is Aristotle. Dante built up the philosophy of the "Comedy" with the works of Aristotle as a foundation, just as the scholastics used Aristotle as the basis for their thinking. Dante knew Aristotle directly from Latin translations of his works and indirectly quotations in the works of Albert Magnus. Dante even acknowledges Aristotle's influence explicitly in the poem, specifically when Virgil justifies the Inferno's structure by citing the "Nicomachean Ethics".. On medieval Judaism.. Moses Maimonides (considered to be the foremost intellectual figure of medieval Judaism) adopted Aristotelianism from the Islamic scholars and based his "Guide for the Perplexed" on it and that became the basis of Jewish scholastic philosophy. Maimonides also considered Aristotle to be the greatest philosopher that ever lived, and styled him as the "chief of the philosophers". Also, in his letter to Samuel ibn Tibbon, Maimonides observes that there is no need for Samuel to study the writings of philosophers who preceded Aristotle because the works of the latter are "sufficient by themselves and [superior] to all that were written before them. His intellect, Aristotle's is the extreme limit of human intellect, apart from him upon whom the divine emanation has flowed forth to such an extent that they reach the level
An American in Paris. After his initial student audition with Ravel turned into a sharing of musical theories, Ravel said he could not teach him, saying, "Why be a second-rate Ravel when you can be a first-rate Gershwin?"
Academy Awards. Some advocates of gender equality and non-binary people have criticized the separation of male and female acting categories in the Academy Awards, Emmy Awards and Tony Awards. Though some commentators worry that gender discrimination would cause men to dominate unsegregated categories, other categories are unsegregated. The Grammy Awards went gender-neutral in 2012, while the Daytime Emmy Awards introduced a single Outstanding Younger Performer in a Drama Series category in 2019 to replace their two gender-specific younger actor and actress categories
Ayn Rand. She believed in free will as a form of agent causation and rejected determinism. Essays criticizing Rand's egoistic views are included in a number of anthologies for teaching introductory ethics, often without including any essays presenting or defending them. In 2005, on the 100th anniversary of Rand's birth, Edward Rothstein, writing for "The New York Times", referred to her written fiction as quaint utopian "retro fantasy" and programmatic neo-Romanticism of the misunderstood artist while criticizing her characters' "isolated rejection of democratic society"
Algeria. Furthermore, during the rule of the Romans, Byzantines, Vandals, Carthaginians, and Ottomans the Kabyle people were the only or one of the few in North Africa who remained independent. Algeria's currency is the dinar (DZD). Indigenous Berbers as well as Phoenicians, Romans, Vandals, Byzantine Greeks, Arabs, Turks, various Sub-Saharan Africans, and French have contributed to the history of Algeria
List of Atlas Shrugged characters. This information is used to blackmail Rearden to sign a Gift Certificate which delivers all the property rights of Rearden Metal to others
Anthropology. Ethnography.. Ethnography is a method of analysing social or cultural interaction. It often involves participant observation though an ethnographer may also draw from texts written by participants of in social interactions. Ethnography views first-hand experience and social context as important.. Tim Ingold distinguishes ethnography from anthropology arguing that anthropology tries to construct general theories of human experience, applicable in general and novel settings, while ethnography concerns itself with fidelity. He argues that the anthropologist must make his writing consistent with their understanding of literature and other theory, but notes that ethnography may be of use to the anthropologists and the fields inform one another.
Agricultural science. Soil forming factors and soil degradation
Alchemy. While critical of the kind of alchemy he associated with the Egyptian priests and their followers, Zosimos nonetheless saw the tradition's recent past as rooted in the rites of the Egyptian temples
Apollo. A number of non-Greek etymologies have been suggested for the name, The Hittite form "Apaliunas" ("d") is attested in the Manapa-Tarhunta letter, The Hittite testimony reflects an early form "", which may also be surmised from comparison of Cypriot with Doric.. Apollo sided with the Trojans during the Trojan War waged by the Greeks against the Trojans.. During the war, the Greek king Agamemnon captured Chryseis, the daughter of Apollo's priest Chryses, and refused to return her. Angered by this, Apollo shot arrows infected with the plague into the Greek encampment. He demanded that they return the girl, and the Achaeans (Greeks) complied, indirectly causing the "anger of Achilles", which is the theme of the "Iliad".. Receiving the aegis from Zeus, Apollo entered the battlefield as per his father's command, causing great terror to the enemy with his war cry. He pushed the Greeks back and destroyed many of the soldiers. He is described as "the rouser of armies" because he rallied the Trojan army when they were falling apart.. When Zeus allowed the other gods to get involved in the war, Apollo was provoked by Poseidon to a duel. However, Apollo declined to fight him, saying that he wouldn't fight his uncle for the sake of mortals.. When the Greek hero Diomedes injured the Trojan hero Aeneas, Aphrodite tried to rescue him, but Diomedes injured her as well. Apollo then enveloped Aeneas in a cloud to protect him. He repelled the attacks Diomedes made on him and gave the hero a stern warning to abstain himself from attacking a god. Aeneas was then taken to Pergamos, a sacred spot in Troy, where he was healed.. After the death of Sarpedon, a son of Zeus, Apollo rescued the corpse from the battlefield as per his father's wish and cleaned it. He then gave it to Sleep (Hypnos) and Death (Thanatos). Apollo had also once convinced Athena to stop the war for that day, so that the warriors can relieve themselves for a while.. The Trojan hero Hector (who, according to some, was the god's own son by Hecuba) was favored by Apollo. When he got severely injured, Apollo healed him and encouraged him to take up his arms
. During a duel with Achilles, when Hector was about to lose, Apollo hid Hector in a cloud of mist to save him. When the Greek warrior Patroclus tried to get into the fort of Troy, he was stopped by Apollo. Encouraging Hector to attack Patroclus, Apollo stripped the armour of the Greek warrior and broke his weapons. Patroclus was eventually killed by Hector. At last, after Hector's fated death, Apollo protected his corpse from Achilles' attempt to mutilate it by creating a magical cloud over the corpse.. Apollo held a grudge against Achilles throughout the war because Achilles had murdered his son Tenes before the war began and brutally assassinated his son Troilus in his own temple. Not only did Apollo save Hector from Achilles, he also tricked Achilles by disguising himself as a Trojan warrior and driving him away from the gates. He foiled Achilles' attempt to mutilate Hector's dead body.. Finally, Apollo caused Achilles' death by guiding an arrow shot by Paris into Achilles' heel. In some versions, Apollo himself killed Achilles by taking the disguise of Paris.. Apollo helped many Trojan warriors, including Agenor, Polydamas, Glaucus in the battlefield. Though he greatly favored the Trojans, Apollo was bound to follow the orders of Zeus and served his father loyally during the war.. Heracles.. After Heracles (then named Alcides) was struck with madness and killed his family, he sought to purify himself and consulted the oracle of Apollo. Apollo, through the Pythia, commanded him to serve king Eurystheus for twelve years and complete the ten tasks the king would give him. Only then would Alcides be absolved of his sin. Apollo also renamed him as Heracles.. To complete his third task, Heracles had to capture the Ceryneian Hind, a hind sacred to Artemis, and bring it alive. He chased the hind for one year. When the animal eventually got tired and tried crossing the river Ladon, he captured it. While he was taking it back, he was confronted by Apollo and Artemis, who were angered at Heracles for this act. However, Heracles soothed the goddess and explained his situation to her. After much pleading, Artemis permitted him to take the hind and told him to return it later.. After he was freed from his servitude to Eurystheus, Heracles fell in conflict with Iphytus, a prince of Oechalia, and murdered him.
Soon after, he contracted a terrible disease. He consulted the oracle of Apollo once again, in hope of ridding himself of the disease. The Pythia, however, denied to give any prophesy. In anger, Heracles snatched the sacred tripod and started walking away, intending to start his own oracle. However, Apollo did not tolerate this and stopped Heracles; a duel ensued between them. Artemis rushed to support Apollo, while Athena supported Heracles. Soon, Zeus threw his thunderbolt between the fighting brothers and separated them. He reprimanded Heracles for this act of violation and asked Apollo to give a solution to Heracles. Apollo then ordered the hero to serve under Omphale, queen of Lydia for one year in order to purify himself.. Periphas.. Periphas was an Attican king and a priest of Apollo. He was noble, just and rich. He did all his duties justly. Because of this people were very fond of him and started honouring him to the same extent as Zeus. At one point, they worshipped Periphas in place of Zeus and set up shrines and temples for him. This annoyed Zeus, who decided to annihilate the entire family of Periphas. But because he was a just king and a good devotee, Apollo intervened and requested his father to spare Periphas. Zeus considered Apollo's words and agreed to let him live. But he metamorphosed Periphas into an eagle and made the eagle the king of birds. When Periphas' wife requested Zeus to let her stay with her husband, Zeus turned her into a vulture and fulfilled her wish.. Plato's concept of soulmates.. A long time ago, there were three kinds of human beings: male, descended from the sun; female, descended from the earth; and androgynous, descended from the moon. Each human being was completely round, with four arms and fours legs, two identical faces on opposite sides of a head with four ears, and all else to match. They were powerful and unruly. Otis and Ephialtes even dared to scale Mount Olympus.. To check their insolence, Zeus devised a plan to humble them and improve their manners instead of completely destroying them. He cut them all in two and asked Apollo to make necessary repairs, giving humans the individual shape they still have now. Apollo turned their heads and necks around towards their wounds, he pulled together their skin at the abdomen, and sewed the skin together at the middle of
it. This is what we call navel today. He smoothened the wrinkles and shaped the chest. But he made sure to leave a few wrinkles on the abdomen and around the navel so that they might be reminded of their punishment.. "As he [Zeus] cut them one after another, he bade Apollo give the face and the half of the neck a turn... Apollo was also bidden to heal their wounds and compose their forms. So Apollo gave a turn to the face and pulled the skin from the sides all over that which in our language is called the belly, like the purses which draw in, and he made one mouth at the centre [of the belly] which he fastened in a knot (the same which is called the navel); he also moulded the breast and took out most of the wrinkles, much as a shoemaker might smooth leather upon a last; he left a few wrinkles, however, in the region of the belly and navel, as a memorial of the primeval state.. Nurturer of the young.. Apollo "Kourotrophos" is the god who nurtures and protects children and the young, especially boys. He oversees their education and their passage into adulthood. Education is said to have originated from Apollo and the Muses. Many myths have him train his children. It was a custom for boys to cut and dedicate their long hair to Apollo after reaching adulthood.. Chiron, the abandoned centaur, was fostered by Apollo, who instructed him in medicine, prophecy, archery and more. Chiron would later become a great teacher himself.. Asclepius in his childhood gained much knowledge pertaining to medicinal arts by his father. However, he was later entrusted to Chiron for further education.. Anius, Apollo's son by Rhoeo, was abandoned by his mother soon after his birth. Apollo brought him up and educated him in mantic arts. Anius later became the priest of Apollo and the king of Delos.. Iamus was the son of Apollo and Evadne. When Evadne went into labour, Apollo sent the Moirai to assist his lover. After the child was born, Apollo sent snakes to feed the child some honey. When Iamus reached the age of education, Apollo took him to Olympia and taught him many arts, including the ability to understand and explain the languages of birds.. Idmon was educated by Apollo to be a seer. Even though he foresaw his death that would happen in his journey with
the Argonauts, he embraced his destiny and died a brave death. To commemorate his son's bravery, Apollo commanded Boetians to build a town around the tomb of the hero, and to honor him.. Apollo adopted Carnus, the abandoned son of Zeus and Europa. He reared the child with the help of his mother Leto and educated him to be a seer.. When his son Melaneus reached the age of marriage, Apollo asked the princess Stratonice to be his son's bride and carried her away from her home when she agreed.. Apollo saved a shepherd boy (name unknown) from death in a large deep cave, by the means of vultures. To thank him, the shepherd built Apollo a temple under the name Vulturius.. God of music.. Immediately after his birth, Apollo demanded a lyre and invented the paean, thus becoming the god of music. As the divine singer, he is the patron of poets, singers and musicians. The invention of string music is attributed to him. Plato said that the innate ability of humans to take delight in music, rhythm and harmony is the gift of Apollo and the Muses. According to Socrates, ancient Greeks believed that Apollo is the god who directs the harmony and makes all things move together, both for the gods and the humans. For this reason, he was called "Homopolon" before the "Homo" was replaced by "A". Apollo's harmonious music delivered people from their pain, and hence, like Dionysus, he is also called the liberator. The swans, which were considered to be the most musical among the birds, were believed to be the "singers of Apollo". They are Apollo's sacred birds and acted as his vehicle during his travel to Hyperborea. Aelian says that when the singers would sing hymns to Apollo, the swans would join the chant in unison.. Among the Pythagoreans, the study of mathematics and music were connected to the worship of Apollo, their principal deity. Their belief was that the music purifies the soul, just as medicine purifies the body. They also believed that music was delegated to the same mathematical laws of harmony as the mechanics of the cosmos, evolving into an idea known as the music of the spheres.. Apollo appears as the companion of the Muses, and as Musagetes ("leader of Muses") he leads them in dance. They spend their time on Parnassus, which is one of their sacred
places. Apollo is also the lover of the Muses and by them he became the father of famous musicians like Orpheus and Linus.. Apollo is often found delighting the immortal gods with his songs and music on the lyre. In his role as the god of banquets, he was always present to play music in weddings of the gods, like the marriage of Eros and Psyche, Peleus and Thetis. He is a frequent guest of the Bacchanalia, and many ancient ceramics depict him being at ease amidst the maenads and satyrs. Apollo also participated in musical contests when challenged by others. He was the victor in all those contests, but he tended to punish his opponents severely for their hubris.. Apollo's lyre.. The invention of lyre is attributed either to Hermes or to Apollo himself. Distinctions have been made that Hermes invented lyre made of tortoise shell, whereas the lyre Apollo invented was a regular lyre.. Myths tell that the infant Hermes stole a number of Apollo's cows and took them to a cave in the woods near Pylos, covering their tracks. In the cave, he found a tortoise and killed it, then removed the insides. He used one of the cow's intestines and the tortoise shell and made his lyre.. Upon discovering the theft, Apollo confronted Hermes and asked him to return his cattle. When Hermes acted innocent, Apollo took the matter to Zeus. Zeus, having seen the events, sided with Apollo, and ordered Hermes to return the cattle. Hermes then began to play music on the lyre he had invented. Apollo fell in love with the instrument and offered to exchange the cattle for the lyre. Hence, Apollo then became the master of the lyre.. According to other versions, Apollo had invented the lyre himself, whose strings he tore in repenting of the excess punishment he had given to Marsyas. Hermes' lyre, therefore, would be a reinvention.. Contest with Pan.. Once Pan had the audacity to compare his music with that of Apollo and to challenge the god of music to a contest. The mountain-god Tmolus was chosen to umpire. Pan blew on his pipes, and with his rustic melody gave great satisfaction to himself and his faithful follower, Midas, who happened to be present. Then, Apollo struck the strings of his lyre. It was so beautiful that Tmolus at once awarded the victory to Apollo, and everyone was pleased
with the judgement. Only Midas dissented and questioned the justice of the award. Apollo did not want to suffer such a depraved pair of ears any longer, and caused them to become the ears of a donkey.. Contest with Marsyas.. Marsyas was a satyr who was punished by Apollo for his hubris. He had found an aulos on the ground, tossed away after being invented by Athena because it made her cheeks puffy. Athena had also placed a curse upon the instrument, that whoever would pick it up would be severely punished. When Marsyas played the flute, everyone became frenzied with joy. This led Marsyas to think that he was better than Apollo, and he challenged the god to a musical contest. The contest was judged by the Muses, or the nymphs of Nysa. Athena was also present to witness the contest.. Marsyas taunted Apollo for "wearing his hair long, for having a fair face and smooth body, for his skill in so many arts". He also further said,. 'His [Apollo] hair is smooth and made into tufts and curls that fall about his brow and hang before his face. His body is fair from head to foot, his limbs shine bright, his tongue gives oracles, and he is equally eloquent in prose or verse, propose which you will. What of his robes so fine in texture, so soft to the touch, aglow with purple? What of his lyre that flashes gold, gleams white with ivory, and shimmers with rainbow gems? What of his song, so cunning and so sweet? Nay, all these allurements suit with naught save luxury. To virtue they bring shame alone!'. The Muses and Athena sniggered at this comment. The contestants agreed to take turns displaying their skills and the rule was that the victor could "do whatever he wanted" to the loser.. According to one account, after the first round, they both were deemed equal by the Nysiads. But in the next round, Apollo decided to play on his lyre and add his melodious voice to his performance. Marsyas argued against this, saying that Apollo would have an advantage and accused Apollo of cheating. But Apollo replied that since Marsyas played the flute, which needed air blown from the throat, it was similar to singing, and that either they both should get an equal chance to combine their skills or none of them should use their
mouths at all. The nymphs decided that Apollo's argument was just. Apollo then played his lyre and sang at the same time, mesmerising the audience. Marsyas could not do this. Apollo was declared the winner and, angered with Marsyas' haughtiness and his accusations, decided to flay the satyr.. According to another account, Marsyas played his flute out of tune at one point and accepted his defeat. Out of shame, he assigned to himself the punishment of being skinned for a wine sack. Another variation is that Apollo played his instrument upside down. Marsyas could not do this with his instrument. So the Muses who were the judges declared Apollo the winner. Apollo hung Marsyas from a tree to flay him.. Apollo flayed the limbs of Marsyas alive in a cave near Celaenae in Phrygia for his hubris to challenge a god. He then gave the rest of his body for proper burial and nailed Marsyas' flayed skin to a nearby pine-tree as a lesson to the others. Marsyas' blood turned into the river Marsyas. But Apollo soon repented and being distressed at what he had done, he tore the strings of his lyre and threw it away. The lyre was later discovered by the Muses and Apollo's sons Linus and Orpheus. The Muses fixed the middle string, Linus the string struck with the forefinger, and Orpheus the lowest string and the one next to it. They took it back to Apollo, but the god, who had decided to stay away from music for a while, laid away both the lyre and the pipes at Delphi and joined Cybele in her wanderings to as far as Hyperborea.. Contest with Cinyras.. Cinyras was a ruler of Cyprus, who was a friend of Agamemnon. Cinyras promised to assist Agamemnon in the Trojan war, but did not keep his promise. Agamemnon cursed Cinyras. He invoked Apollo and asked the god to avenge the broken promise. Apollo then had a lyre-playing contest with Cinyras, and defeated him. Either Cinyras committed suicide when he lost, or was killed by Apollo.. Patron of sailors.. Apollo functions as the patron and protector of sailors, one of the duties he shares with Poseidon. In the myths, he is seen helping heroes who
Andre Agassi. During the Open Era, Agassi was the first man to win four Australian Open singles titles, a record later surpassed by Novak Djokovic when he won his fifth title in 2015. Agassi is the second of five male singles players to achieve the Career Grand Slam in the Open Era after Rod Laver and before Roger Federer, Rafael Nadal and Djokovic; he is the fifth of eight in history to make the achievement. Agassi was the first man to win all four Grand Slam singles tournaments on three different surfaces (hard, clay and grass), and the last American man to win both the French Open (in 1999) and the Australian Open (in 2003)
Austroasiatic languages. They appear to be the extant original languages of Mainland Southeast Asia (excluding the Andaman Islands), with the neighboring, and sometimes surrounding, Kra–Dai, Hmong-Mien, Austronesian, and Sino-Tibetan languages being the result of later migrations. Archaeological evidence for the presence of agriculture in northern Indochina (northern Vietnam, Laos, and other nearby areas) dates back to only about 4,000 years ago (2,000 BC), with agriculture ultimately being introduced from further up to the north in the Yangtze valley where it has been dated to 6,000 B. Sidwell (2018).. Sidwell (2018) (quoted in Sidwell 2021) gives a more nested classification of Austroasiatic branches as suggested by his computational phylogenetic analysis of Austroasiatic languages using a 200-word list. Many of the tentative groupings are likely linkages. Pakanic and Shompen were not included.. John Peterson (2017) suggests that "pre-Munda" ("proto-" in regular terminology) languages may have once dominated the eastern Indo-Gangetic Plain, and were then absorbed by Indo-Aryan languages at an early date as Indo-Aryan spread east. A 2021 study by Tagore et al. found that proto-Austroasiatic-speakers originated from an Basal-East Asian source population, native to Mainland Southeast Asia and Northeast India, which also gave rise to other East Asian-related lineages, including Northeast Asians and Native Americans. From Mainland Southeast Asia, the Austroasiatic-speakers expanded into the Indian-subcontinent and Maritime Southeast Asia. There is evidence that continuing migration of agriculturalists from more northerly East Asia merged with "southern East Asians", forming modern day Southeast Asians, and contributed to the fragmentation observed among modern day Austroasiatic-speakers. Similarly, Austroasiatic-speakers in India intermixed with local tribals. The authors also found that the ancient Hoabinhian people likely spoke a variant of Proto-Austroasiatic, and had largely "southern East Asian ancestry". They concluded that their new genetic evidence does not support a partial relationship between Hoabinhians and Andamanese (Onge)/Papuans, as suggested by Mc. Coll 2018 and Chuan-Chao Wang, but in contrary, points to
Afroasiatic languages. While there is no definitive agreement on when or where the original homeland of this language family existed, many link the first speakers to the first farmers in the Levant who would later spread to North and East Africa. Others argue the first speakers were pre-agricultural and based in North East Africa.
Animal Farm. Radio dramatisations
Alaska. The new law means people over 21 can consume small amounts of cannabis
Analysis of variance.. The analysis of variance can be used to describe otherwise complex relations among variables. A dog show provides an example. A dog show is not a random sampling of the breed: it is typically limited to dogs that are adult, pure-bred, and exemplary. A histogram of dog weights from a show might plausibly be rather complex, like the yellow-orange distribution shown in the illustrations. Suppose we wanted to predict the weight of a dog based on a certain set of characteristics of each dog. One way to do that is to "explain" the distribution of weights by dividing the dog population into groups based on those characteristics. A successful grouping will split dogs such that (a) each group has a low variance of dog weights (meaning the group is relatively homogeneous) and (b) the mean of each group is distinct (if two groups have the same mean, then it isn't reasonable to conclude that the groups are, in fact, separate in any meaningful way).. In the illustrations to the right, groups are identified as "X"1, "X"2, etc. In the first illustration, the dogs are divided according to the product (interaction) of two binary groupings: young vs old, and short-haired vs long-haired (e.g., group 1 is young, short-haired dogs, group 2 is young, long-haired dogs, etc.). Since the distributions of dog weight within each of the groups (shown in blue) has a relatively large variance, and since the means are very similar across groups, grouping dogs by these characteristics does not produce an effective way to explain the variation in dog weights: knowing which group a dog is in doesn't allow us to predict its weight much better than simply knowing the dog is in a dog show. Thus, this grouping fails to explain the variation in the overall distribution (yellow-orange).. An attempt to explain the weight distribution by grouping dogs as "pet vs working breed" and "less athletic vs more athletic" would probably be somewhat more successful (fair fit). The heaviest show dogs are likely to be big, strong, working breeds, while breeds kept as pets tend to be smaller and thus lighter. As shown by the second illustration, the distributions have variances that are considerably smaller than in the first case, and the means are more distinguishable. However, the significant overlap of distributions, for example, means that we cannot distinguish "X"1 and "X"2 reliably. Grouping dogs according to a coin
flip might produce distributions that look similar.. An attempt to explain weight by breed is likely to produce a very good fit. All Chihuahuas are light and all St Bernards are heavy. The difference in weights between Setters and Pointers does not justify separate breeds. The analysis of variance provides the formal tools to justify these intuitive judgments. A common use of the method is the analysis of experimental data or the development of models. The method has some advantages over correlation: not all of the data must be numeric and one result of the method is a judgment in the confidence in an explanatory relationship.. Classes of models.. There are three classes of models used in the analysis of variance, and these are outlined here.. Fixed-effects models.. The fixed-effects model (class I) of analysis of variance applies to situations in which the experimenter applies one or more treatments to the subjects of the experiment to see whether the response variable values change. This allows the experimenter to estimate the ranges of response variable values that the treatment would generate in the population as a whole.. Random-effects models.. Random-effects model (class II) is used when the treatments are not fixed. This occurs when the various factor levels are sampled from a larger population. Because the levels themselves are random variables, some assumptions and the method of contrasting the treatments (a multi-variable generalization of simple differences) differ from the fixed-effects model.. Mixed-effects models.. A mixed-effects model (class III) contains experimental factors of both fixed and random-effects types, with appropriately different interpretations and analysis for the two types.. Example:. Balanced experiments (those with an equal sample size for each treatment) are relatively easy to interpret; unbalanced experiments offer more complexity. " In the general case, "The analysis of variance can also be applied to unbalanced data, but then the sums of squares, mean squares, and "F"-ratios will depend on the order in which the sources of variation are considered.. The analysis of variance can be used to describe otherwise complex relations among variables. A dog show provides an example. A dog show is not a random sampling of the breed: it is typically limited to dogs that are adult, pure-bred, and exemplary. A histogram of dog weights from a show might plausibly be rather complex, like the yellow-orange distribution shown in the illustrations. Suppose we wanted to predict the weight of a dog based on a certain set of characteristics of each dog. One way to do that is to "explain
" the distribution of weights by dividing the dog population into groups based on those characteristics. A successful grouping will split dogs such that (a) each group has a low variance of dog weights (meaning the group is relatively homogeneous) and (b) the mean of each group is distinct (if two groups have the same mean, then it isn't reasonable to conclude that the groups are, in fact, separate in any meaningful way).. In the illustrations to the right, groups are identified as "X"1, "X"2, etc. In the first illustration, the dogs are divided according to the product (interaction) of two binary groupings: young vs old, and short-haired vs long-haired (e.g., group 1 is young, short-haired dogs, group 2 is young, long-haired dogs, etc.). Since the distributions of dog weight within each of the groups (shown in blue) has a relatively large variance, and since the means are very similar across groups, grouping dogs by these characteristics does not produce an effective way to explain the variation in dog weights: knowing which group a dog is in doesn't allow us to predict its weight much better than simply knowing the dog is in a dog show. Thus, this grouping fails to explain the variation in the overall distribution (yellow-orange).. An attempt to explain the weight distribution by grouping dogs as "pet vs working breed" and "less athletic vs more athletic" would probably be somewhat more successful (fair fit). The heaviest show dogs are likely to be big, strong, working breeds, while breeds kept as pets tend to be smaller and thus lighter. As shown by the second illustration, the distributions have variances that are considerably smaller than in the first case, and the means are more distinguishable. However, the significant overlap of distributions, for example, means that we cannot distinguish "X"1 and "X"2 reliably. Grouping dogs according to a coin flip might produce distributions that look similar.. An attempt to explain weight by breed is likely to produce a very good fit. All Chihuahuas are light and all St Bernards are heavy. The difference in weights between Setters and Pointers does not justify separate breeds. The analysis of variance provides the formal tools to justify these intuitive judgments. A common use of the method is the analysis of experimental data or the development of models. The method has some advantages over correlation: not all of the data must be numeric and one result of the method is a judgment in the
confidence in an explanatory relationship.. Classes of models.. There are three classes of models used in the analysis of variance, and these are outlined here.. Fixed-effects models.. The fixed-effects model (class I) of analysis of variance applies to situations in which the experimenter applies one or more treatments to the subjects of the experiment to see whether the response variable values change. This allows the experimenter to estimate the ranges of response variable values that the treatment would generate in the population as a whole.. Random-effects models.. Random-effects model (class II) is used when the treatments are not fixed. This occurs when the various factor levels are sampled from a larger population. Because the levels themselves are random variables, some assumptions and the method of contrasting the treatments (a multi-variable generalization of simple differences) differ from the fixed-effects model.. Mixed-effects models.. A mixed-effects model (class III) contains experimental factors of both fixed and random-effects types, with appropriately different interpretations and analysis for the two types.. Example:. Teaching experiments could be performed by a college or university department. to find a good introductory textbook, with each text considered a. treatment. The fixed-effects model would compare a list of candidate. texts. The random-effects model would determine whether important. differences exist among a list of randomly selected texts. The. mixed-effects model would compare the (fixed) incumbent texts to. randomly selected alternatives.. Defining fixed and random effects has proven elusive, with competing. definitions arguably leading toward a linguistic quagmire.. Assumptions.. The analysis of variance has been studied from several approaches, the most common of which uses a linear model that relates the response to the treatments and blocks. Note that the model is linear in parameters but may be nonlinear across factor levels. Interpretation is easy when data is balanced across factors but much deeper understanding is needed for unbalanced data.. Textbook analysis using a normal distribution.. The analysis of variance can be presented in terms of a linear model, which makes the following assumptions about the probability distribution of the responses:. The separate assumptions of the textbook model imply that the errors are independently, identically, and normally distributed for fixed effects models, that is, that the errors (formula_1) are independent and. Randomization-based analysis.. In a randomized controlled experiment, the treatments are randomly assigned to experimental units, following the experimental protocol. This randomization is objective and declared before the experiment is carried out. The objective random-assignment is
used to test the significance of the null hypothesis, following the ideas of C. S. Peirce and Ronald Fisher. This design-based analysis was discussed and developed by Francis J. Anscombe at Rothamsted Experimental Station and by Oscar Kempthorne at Iowa State University. Kempthorne and his students make an assumption of "unit treatment additivity", which is discussed in the books of Kempthorne and David R. Cox.. Unit-treatment additivity.. In its simplest form, the assumption of unit-treatment additivity states that the observed response formula_3 from experimental unit formula_4 when receiving treatment formula_5 can be written as the sum of the unit's response formula_6 and the treatment-effect formula_7, that is. The assumption of unit-treatment additivity implies that, for every treatment formula_5, the formula_5th treatment has exactly the same effect formula_11 on every experiment unit.. The assumption of unit treatment additivity usually cannot be directly falsified, according to Cox and Kempthorne. However, many "consequences" of treatment-unit additivity can be falsified. For a randomized experiment, the assumption of unit-treatment additivity "implies" that the variance is constant for all treatments. Therefore, by contraposition, a necessary condition for unit-treatment additivity is that the variance is constant.. The use of unit treatment additivity and randomization is similar to the design-based inference that is standard in finite-population survey sampling.. Derived linear model.. Kempthorne uses the randomization-distribution and the assumption of "unit treatment additivity" to produce a "derived linear model", very similar to the textbook model discussed previously. The test statistics of this derived linear model are closely approximated by the test statistics of an appropriate normal linear model, according to approximation theorems and simulation studies. However, there are differences. For example, the randomization-based analysis results in a small but (strictly) negative correlation between the observations. In the randomization-based analysis, there is "no assumption" of a "normal" distribution and certainly "no assumption" of "independence". On the contrary, "the observations are dependent"!. The randomization-based analysis has the disadvantage that its exposition involves tedious algebra and extensive time. Since the randomization-based analysis is complicated and is closely approximated by the approach using a normal linear model, most teachers emphasize the normal linear model approach. Few statisticians object to model
-based analysis of balanced randomized experiments.. Statistical models for observational data.. However, when applied to data from non-randomized experiments or observational studies, model-based analysis lacks the warrant of randomization. For observational data, the derivation of confidence intervals must use "subjective" models, as emphasized by Ronald Fisher and his followers. In practice, the estimates of treatment-effects from observational studies generally are often inconsistent. In practice, "statistical models" and observational data are useful for suggesting hypotheses that should be treated very cautiously by the public.. Summary of assumptions.. The normal-model based ANOVA analysis assumes the independence, normality and. homogeneity of variances of the residuals. The. randomization-based analysis assumes only the homogeneity of the. variances of the residuals (as a consequence of unit-treatment. additivity) and uses the randomization procedure of the experiment.. Both these analyses require homoscedasticity, as an assumption for the normal-model analysis and as a consequence of randomization and additivity for the randomization-based analysis.. However, studies of processes that. change variances rather than means (called dispersion effects) have. been successfully conducted using ANOVA. There are. "no" necessary assumptions for ANOVA in its full generality, but the. "F"-test used for ANOVA hypothesis testing has assumptions and practical. limitations which are of continuing interest.. Problems which do not satisfy the assumptions of ANOVA can often be transformed to satisfy the assumptions.. The property of unit-treatment additivity is not invariant under a "change of scale", so statisticians often use transformations to achieve unit-treatment additivity. If the response variable is expected to follow a parametric family of probability distributions, then the statistician may specify (in the protocol for the experiment or observational study) that the responses be transformed to stabilize the variance. Also, a statistician may specify that logarithmic transforms be applied to the responses, which are believed to follow a multiplicative model.. According to Cauchy's functional equation theorem, the logarithm is the only continuous transformation that transforms real multiplication to addition.. Characteristics.. ANOVA is used in the analysis of comparative experiments, those in. which only the difference in outcomes is of interest. The statistical. significance of the experiment is determined by a ratio of two. variances. This ratio is independent of several possible alterations. to the experimental observations: Adding a constant to all. observations does not
alter significance. Multiplying all. observations by a constant does not alter significance. So ANOVA. statistical significance result is independent of constant bias and. scaling errors as well as the units used in expressing observations.. In the era of mechanical calculation it was common to. subtract a constant from all observations (when equivalent to. dropping leading digits) to simplify data entry. This is an example of data. coding.. Logic.. The calculations of ANOVA can be characterized as computing a number. of means and variances, dividing two variances and comparing the ratio. to a handbook value to determine statistical significance. Calculating. a treatment effect is then trivial: "the effect of any treatment is. estimated by taking the difference between the mean of the. observations which receive the treatment and the general mean".. Partitioning of the sum of squares.. ANOVA uses traditional standardized terminology. The definitional. equation of sample variance is. formula_12, where the. divisor is called the degrees of freedom (DF), the summation is called. the sum of squares (SS), the result is called the mean square (MS) and. the squared terms are deviations from the sample mean. ANOVA. estimates 3 sample variances: a total variance based on all the. observation deviations from the grand mean, an error variance based on. all the observation deviations from their appropriate. treatment means, and a treatment variance. The treatment variance is. based on the deviations of treatment means from the grand mean, the. result being multiplied by the number of observations in each. treatment to account for the difference between the variance of. observations and the variance of means.. The fundamental technique is a partitioning of the total sum of squares "SS" into components related to the effects used in the model. For example, the model for a simplified ANOVA with one type of treatment at different levels.. The number of degrees of freedom "DF" can be partitioned in a similar way: one of these components (that for error) specifies a chi-squared distribution which describes the associated sum of squares, while the same is true for "treatments" if there is no treatment effect.. See also Lack-of-fit sum of squares.. The "F"-test.. The "F"-test is used for comparing the factors of the total deviation. For example, in one-way, or single-factor ANOVA, statistical significance is tested for by comparing the F test statistic. where "MS" is mean square,
formula_17 = number of treatments and. formula_18 = total number of cases. to the "F"-distribution with formula_19, formula_20 degrees of freedom. Using the "F"-distribution is a natural candidate because the test statistic is the ratio of two scaled sums of squares each of which follows a scaled chi-squared distribution.. The expected value of F is formula_21 (where formula_22 is the treatment sample size). which is 1 for no treatment effect. As values of F increase above 1, the evidence is increasingly inconsistent with the null hypothesis. Two apparent experimental methods of increasing F are increasing the sample size and reducing the error variance by tight experimental controls.. There are two methods of concluding the ANOVA hypothesis test, both of which produce the same result:. The ANOVA "F"-test is known to be nearly optimal in the sense of minimizing false negative errors for a fixed rate of false positive errors (i.e. maximizing power for a fixed significance level). For example, to test the hypothesis that various medical treatments have exactly the same effect, the "F"-test's "p"-values closely approximate the permutation test's p-values: The approximation is particularly close when the design is balanced. Such permutation tests characterize tests with maximum power against all alternative hypotheses, as observed by Rosenbaum. The ANOVA "F"-test (of the null-hypothesis that all treatments have exactly the same effect) is recommended as a practical test, because of its robustness against many alternative distributions.. Extended logic.. ANOVA consists of separable parts; partitioning sources of variance. and hypothesis testing can be used individually. ANOVA is used to. support other statistical tools. Regression is first used to fit more. complex models to data, then ANOVA is used to compare models with the. objective of selecting simple(r) models that adequately describe the. data. "Such models could be fit without any reference to ANOVA, but. ANOVA tools could then be used to make some sense of the fitted models,. and to test hypotheses about batches of coefficients.". "[W]e think of the analysis of variance as a way of understanding and structuring. multilevel models—not as an alternative to regression but as a tool. for summarizing complex high-dimensional inferences ...". For a single factor.. The simplest experiment suitable for ANOVA analysis is the completely. randomized experiment with a single factor. More complex experiments. with a single factor involve
constraints on randomization and include. completely randomized blocks and Latin squares (and variants:. Graeco-Latin squares, etc.). The more complex experiments share many. of the complexities of multiple factors. A relatively complete. discussion of the analysis (models, data summaries, ANOVA table) of. the completely randomized experiment is. available.. For a single factor, there are some alternatives of one-way analysis of variance; namely, Welch's heteroscedastic F test, Welch's heteroscedastic F test with trimmed means and Winsorized variances, Brown-Forsythe test, AlexanderGovern test, James second order test and Kruskal-Wallis test, available in onewaytests R package.. For multiple factors.. ANOVA generalizes to the study of the effects of multiple factors.. When the experiment includes observations at all combinations of. levels of each factor, it is termed factorial.. Factorial experiments. are more efficient than a series of single factor experiments and the. efficiency grows as the number of factors increases. Consequently, factorial designs are heavily used.. The use of ANOVA to study the effects of multiple factors has a complication. In a 3-way ANOVA with factors x, y and z, the ANOVA model includes terms for the main effects (x, y, z) and terms for interactions (xy, xz, yz, xyz).. All terms require hypothesis tests. The proliferation of interaction terms increases the risk that some hypothesis test will produce a false positive by chance. Fortunately, experience says that high order interactions are rare.. The ability to detect interactions is a major advantage of multiple. factor ANOVA. Testing one factor at a time hides interactions, but. produces apparently inconsistent experimental results.. Caution is advised when encountering interactions; Test. interaction terms first and expand the analysis beyond ANOVA if. interactions are found. Texts vary in their recommendations regarding. the continuation of the ANOVA procedure after encountering an. interaction. Interactions complicate the interpretation of. experimental data. Neither the calculations of significance nor the. estimated treatment effects can be taken at face value. "A. significant interaction will often mask the significance of main effects." Graphical methods are recommended. to enhance understanding. Regression is often useful. A lengthy discussion of interactions is available in Cox (1958). Some interactions can be removed (by transformations) while others cannot.. A variety of techniques are used with multiple factor ANOVA to reduce expense. One technique used in factorial
designs is to minimize replication (possibly no replication with support of analytical trickery) and to combine groups when effects are found to be statistically (or practically) insignificant. An experiment with many insignificant factors may collapse into one with a few factors supported by many replications.. Associated analysis.. Some analysis is required in support of the "design" of the experiment while other analysis is performed after changes in the factors are formally found to produce statistically significant changes in the responses. Because experimentation is iterative, the results of one experiment alter plans for following experiments.. Preparatory analysis.. The number of experimental units.. In the design of an experiment, the number of experimental units is planned to satisfy the goals of the experiment. Experimentation is often sequential.. Early experiments are often designed to provide mean-unbiased estimates of treatment effects and of experimental error. Later experiments are often designed to test a hypothesis that a treatment effect has an important magnitude; in this case, the number of experimental units is chosen so that the experiment is within budget and has adequate power, among other goals.. Reporting sample size analysis is generally required in psychology. "Provide information on sample size and the process that led to sample size decisions." The analysis, which is written in the experimental protocol before the experiment is conducted, is examined in grant applications and administrative review boards.. Besides the power analysis, there are less formal methods for selecting the number of experimental units. These include graphical methods based on limiting. the probability of false negative errors, graphical methods based on an expected variation increase (above the residuals) and methods based on achieving a desired confidence interval.. Power analysis.. Power analysis is often applied in the context of ANOVA in order to assess the probability of successfully rejecting the null hypothesis if we assume a certain ANOVA design, effect size in the population, sample size and significance level. Power analysis can assist in study design by determining what sample size would be required in order to have a reasonable chance of rejecting the null hypothesis when the alternative hypothesis is true.. Effect size.. Several standardized measures of effect have been proposed for ANOVA to summarize the strength of the association between a predictor(s) and the dependent variable or the overall standardized difference of the complete model. Standardized effect-size estimates facilitate comparison of findings across studies and disciplines. However, while standardized effect sizes are commonly used in much of the professional literature, a non-standardized measure of effect size that has immediately "meaningful" units may be preferable for reporting purposes.. Model confirmation.. Sometimes tests are conducted to determine whether the assumptions of
ANOVA appear to be violated. Residuals are examined or analyzed to confirm homoscedasticity and gross normality. Residuals should have the appearance of (zero mean normal distribution) noise when plotted as a function of anything including time and. modeled data values. Trends hint at interactions among factors or among observations.. Follow-up tests.. A statistically significant effect in ANOVA is often followed by additional tests. This can be done in order to assess which groups are different from which other groups or to test various other focused hypotheses. Follow-up tests are often distinguished in terms of whether they are "planned" (a priori) or "post hoc." Planned tests are determined before looking at the data, and post hoc tests are conceived only after looking at the data (though the term "post hoc" is inconsistently used).. The follow-up tests may be "simple" pairwise comparisons of individual group means or may be "compound" comparisons (e.g., comparing the mean pooling across groups A, B and C to the mean of group D). Comparisons can also look at tests of trend, such as linear and quadratic relationships, when the independent variable involves ordered levels. Often the follow-up tests incorporate a method of adjusting for the multiple comparisons problem.. Study designs.. There are several types of ANOVA. Many statisticians base ANOVA on the design of the experiment, especially on the protocol that specifies the random assignment of treatments to subjects; the protocol's description of the assignment mechanism should include a specification of the structure of the treatments and of any blocking. It is also common to apply ANOVA to observational data using an appropriate statistical model.. Some popular designs use the following types of ANOVA:. Cautions.. Balanced experiments (those with an equal sample size for each treatment) are relatively easy to interpret; unbalanced experiments offer more complexity. For single-factor (one-way) ANOVA, the adjustment for unbalanced data is easy, but the unbalanced analysis lacks both robustness and power. For more complex designs the lack of balance leads to further complications. "The orthogonality property of main effects and interactions present in balanced data does not carry over to the unbalanced case. This means that the usual analysis of variance techniques do not apply. Consequently, the analysis of unbalanced factorials is much more difficult than that for balanced designs." In the general case, "The analysis of variance can also be applied to unbalanced data, but then the
Alkane. e. g. 2 R−X 2 Na → R−R 2 Na+X. (in presence of dry ether. eg. Li+[R–Cu–R]– R'–X → R–R' "RCu" Li+X
Assistive technology. Prostheses are specifically not orthoses, although given certain circumstances a prosthesis might end up performing some or all of the same functionary benefits as an orthosis. For instance, a C-Leg knee alone is not a prosthesis, but only a prosthetic component. Despite the technical difference, the terms are often used interchangably. GPS, accelerometers, gyroscopes, and cameras can pinpoint the exact location of the user and provide information on what is in the immediate vicinity, and assistance in getting to a destination
Abacus. It was imported from China in the 14th century. Learning how to calculate with the abacus may improve capacity for mental calculation
Asphalt. Its viscosity is similar to that of cold molasses while the material obtained from the fractional distillation of crude oil boiling at 525°C (975°F) is sometimes referred to as "refined bitumen". The Persian word for asphalt is "gheer"
Apollo 11. After the crew of Apollo 10 named their spacecraft "Charlie Brown" and "Snoopy", assistant manager for public affairs Julian Scheer wrote to George Low, the Manager of the Apollo Spacecraft Program Office at the MSC, to suggest the Apollo 11 crew be less flippant in naming their craft
Astronaut. Comparatively recent developments in manned spaceflight made by China has led to the rise of the term taikonaut (from the Mandarin "tàikōng" (), meaning "space"), although its use is somewhat informal and its origin is unclear
Alphabet. The first fully phonemic script, the Proto-Canaanite script, later known as the Phoenician alphabet, is considered by some to be the first alphabet, and is the ancestor of most modern alphabets, including Arabic, Cyrillic, Greek, Hebrew, Latin, and possibly Brahmic. However, Peter T. Daniels distinguishes an abugida or alphasyllabary, a set of graphemes that represent consonantal base letters which diacritics modify to represent vowels (as in Devanagari and other South Asian scripts), an abjad, in which letters predominantly or exclusively represent consonants (as in the original Phoenician, Hebrew or Arabic), and an "alphabet", a set of graphemes that represent both vowels and consonants. These can range from simple spelling changes and word forms to switching the entire writing system itself, as when Turkey switched from the Arabic alphabet to a Latin-based Turkish alphabet, and as when Kazakh changes from an Arabic script to a Cyrillic script due to the Soviet Union's influence, and in 2021, having a transition to the Latin alphabet, just like Turkish. The Cyrillic script used to be official in Uzbekistan and Turkmenistan before they all switched to the Latin alphabets, including Uzbekistan that is having a reform of the alphabet to use diacritics on the letters that is marked by apostrophes and the letters that are digraphs
Andrei Tarkovsky. Personal life.. Sexuality.. Film scholars Vita T. Johnson and Graham Petrie, in "" (1994), wrote that Tarkovsky was bisexual and speculated more controversially that he was also ephebophilic. Noting that Tarkovsky's favorite hair color was red, they argue that his work portrays female sexuality negatively except in the case of a sexually precocious red-haired child in "Mirror" who is also played by his own red-haired step-daughter. Film teacher David Pratt criticized the evidence given for the theory as insufficient. Dina Iordanova likewise found the claim on bisexuality too undeveloped. Donato Totaro, however, took this claim seriously and said that "perhaps the authors were 'protecting' their source, given that homosexuality is still a taboo subject in Russia.". Andrei Tarkovsky and his works have received praise from many filmmakers, critics and thinkers. . The Greek-Australian filmmaker Alex Proyas was "extremely influenced" by Tarkovsky's work and cited "Stalker" as one his favorite films. Mexican filmmaker Alejandro González Iñarritu is a huge fan of Tarkovsky. He once said in an interview: "Andrei Rublev is maybe my favorite film ever", and in another interview, he added: "I remember, the first time I saw a Tarkovsky film, I was shocked by it. I did not know what to do. I was shocked by it. I was fascinated, because suddenly I realized that film could have so many more layers to it than what I had imagined before". There are many direct references and tributes to Tarkovsky's movies in Iñarritu's drama The Revenant.
Abel. Mandaean interpretation.. According to Mandaean beliefs and scriptures inlcuding the Qolastā, the Book of John and Genzā Rabbā, Abel is cognate with the angelic soteriological figure Hibil Ziwa, (Classical Mandaic: ࡄࡉࡁࡉࡋ ࡆࡉࡅࡀ‎, an important Lightworld envoy) who tells the figure Abatur to go and reside in the boundary between the Worlds of Light and the Worlds of Darkness, and weigh for purity those souls which have passed through all the purgatories and wish to return to the light.
Aardvark. These burrows can be large enough for a person to enter
Adventure. On the way, the hero must overcome various obstacles to obtain their reward
Asia. . Jainism is found mainly in India and in overseas Indian communities such as the United States and Malaysia
Aruba. Unlike much of the Caribbean region, Aruba has a dry climate and an arid, cactus-strewn landscape. The climate has helped tourism, because visitors to the island can expect clear, sunny skies all year. Its area is and it is quite densely populated, with 101,484 inhabitants as at the 2010 Census. A July 2018 estimate of the population placed it at 116,600.. During the Napoleonic Wars, the British Empire took control of the island, occupying it between 1806 and 1816, before handing it back to the Dutch as per the terms of the Anglo-Dutch Treaty of 1814. During the 19th century, an economy based on gold mining, phosphate production and aloe vera plantations developed, but the island remained a relatively poor backwater. The facility was built just to the west of the capital city, Oranjestad, and was commonly called the Eagle. Immediately following that, another refinery was built by Lago Oil and Transport Company, in an area now known as San Nicolas on the east end of Aruba. The refineries processed crude oil from the vast Venezuelan oil fields, bringing greater prosperity to the island. In August 1947, Aruba formulated its first "Staatsreglement" (constitution) for Aruba's "status aparte" as an autonomous state within the Kingdom of the Netherlands, prompted by the efforts of Henny Eman, a noted Aruban politician. That created the Netherlands Antilles, which united all of the Dutch colonies in the Caribbean into one administrative structure. Many Arubans were unhappy with the arrangement, however, as the new polity was perceived as being dominated by Curaçao. However, Croes was seriously injured in a traffic accident in 1985, slipping into a coma. He died in 1986, never seeing the enacting of "status aparte" for Aruba for which he had worked over many years. After his death, Croes was proclaimed "Libertador di Aruba". Croes' successor, Henny Eman, of the Aruban People's Party (AVP), became the first Prime Minister of Aruba. In 1985, Aruba's oil refinery had closed. It had provided Aruba with 30 percent of its real income and 50 percent of government revenue. The significant blow to the economy led to a push for a dramatic increase in tourism, and that sector has expanded to become
Articles of Confederation. In September 1786, delegates from five states met at what became known as the Annapolis Convention to discuss the need for reversing the protectionist interstate trade barriers that each state had erected. At its conclusion, delegates voted to invite all states to a larger convention to be held in Philadelphia in 1787. The Confederation Congress later endorsed this convention "for the sole and express purpose of revising the Articles of Confederation". Although the states' representatives to the Constitutional Convention in Philadelphia were only authorized to amend the Articles, delegates held secret, closed-door sessions and wrote a new constitution. The new frame of government gave much more power to the central government, but characterization of the result is disputed
Angola. Four years later, a more progressive administration appointed by Portugal abolished slavery altogether
Economy of Angola. The Angolan economy has been dominated by the production of raw materials and the use of cheap labor since European rule began in the sixteenth century. The Portuguese used Angola principally as a source for the thriving slave trade across the Atlantic; Luanda became the greatest slaving port in Africa. After the Portuguese Empire abolished the slave trade in Angola in 1858, it began using concessional agreements, granting exclusive rights to a private company to exploit land, people, and all other resources within a given territory. In Mozambique, this policy spawned a number of companies notorious for their exploitation of local labor. But in Angola, only Diamang showed even moderate success. At the same time, Portuguese began emigrating to Angola to establish farms and plantations ("fazendas") to grow cash crops for export. Although these farms were only partially successful before World War II, they formed the basis for the later economic growth. . Before World War II, the Portuguese government was concerned primarily with keeping its colonies self-sufficient and therefore invested little capital in Angola's local economy. It built no roads until the mid-1920s, and the first railroad, the Benguela Railway, was not completed until 1929. Between 1900 and 1940, only 35,000 Portuguese emigrants settled in Angola, and most worked in commerce in the cities, facilitating trade with Portugal. In the rural areas, Portuguese settlers often found it difficult to make a living because of fluctuating world prices for sugarcane and sisal and the difficulties in obtaining cheap labor to farm their crops. As a result, they often suspended their operations until the market prices rose and instead marketed the produce of Angolan farmers. . But in the wake of World War II, the rapid growth of industrialization worldwide and the parallel requirements for raw materials led Portugal to develop closer ties with its colonies and to begin actively developing the Angolan economy. In the 1930s, Portugal started to develop closer trade ties with its colonies, and by 1940 it absorbed 63 percent of Angolan exports and accounted for 47 percent of Angolan imports, up from 39 percent and 37 percent, respectively, a decade earlier. When the price of Angola's principal crops—coffee and sisal—jumped after the war, the Portuguese government began to reinvest some profits inside the country, initiating a series of projects to develop infrastructure. During the 1950s, Portugal built dams, hydroelectric power stations, and transportation systems.
In addition, Portuguese citizens were encouraged to emigrate to Angola, where planned settlements ("colonatos") were established for them in the rural areas. Finally, the Portuguese initiated mining operations for iron ore, manganese, and copper to complement industrial activities at home, and in 1955 the first successful oil wells were drilled in Angola. By 1960 the Angolan economy had been completely transformed, boasting a successful commercial agricultural sector, a promising mineral and petroleum production enterprise, and an incipient manufacturing industry. . Yet by 1976, these encouraging developments had been reversed. The economy was in complete disarray in the aftermath of the war of independence and the subsequent internal fighting of the liberation movements. According to the ruling MPLA-PT, in August 1976 more than 80 percent of the agricultural plantations had been abandoned by their Portuguese owners; only 284 out of 692 factories continued to operate; more than 30,000 medium-level and high-level managers, technicians, and skilled workers had left the country; and 2,500 enterprises had been closed (75 percent of which had been abandoned by their owners). Furthermore, only 8,000 vehicles remained out of 153,000 registered, dozens of bridges had been destroyed, the trading network was disrupted, administrative services did not exist, and files and studies were missing. . Angola's economic ills can also be traced to the legacy of Portuguese colonial development. Many of the white settlers had come to Angola after 1950 and were understandably quick to repatriate during the war of independence. During their stay, however, these settlers had appropriated Angolan lands, disrupting local peasant production of cash and subsistence crops. Moreover, Angola's industries depended on trade with Portugal—the colony's overwhelmingly dominant trade partner—for both markets and machinery. Only the petroleum and diamond industries boasted a wider clientele for investment and markets. Most important, the Portuguese had not trained Angolans to operate the larger industrial or agricultural enterprises, nor had they actively educated the population. Upon independence Angola thus found itself without markets or expertise to maintain even minimal economic growth. . As a result, the government intervened, nationalizing most businesses and farms abandoned by the Portuguese. It established state farms to continue producing coffee, sugar, and sisal, and it took over the operations of all factories to maintain production. These attempts usually failed, primarily because of the lack of experienced managers and the continuing disruptions in rural areas caused by the UNITA insurgency. Only the
Angolan Armed Forces. Its headquarters are in Lobito
Android (robot). By the late 1700s, "androides", elaborate mechanical devices resembling humans performing human activities, were displayed in exhibit halls. . " The term made an impact into English pulp science fiction starting from Jack Williamson's "The Cometeers" (1936) and the distinction between mechanical robots and fleshy androids was popularized by Edmond Hamilton's Captain Future stories (1940–1944)
Alberta. The south and central prairie was the homeland of the American bison, also known as buffalo, with its grasses providing pasture and breeding ground for millions of buffalo. The buffalo population was decimated during early settlement, but since then, buffalo have made a comeback, living on farms and in parks all over Alberta. Alberta is home to only one species of venomous snake, the prairie rattlesnake. Alberta is home to many large carnivores such as wolves, grizzly and black bears, and mountain lions, which are found in the mountains and wooded regions. Smaller carnivores of the canine and feline families include coyotes, red foxes, Canada lynx, and bobcats. Wolverines can also be found in the northwestern areas of the province
Albert Einstein. The initial connection was established on 27 September 1931, when Wilfrid Israel took his Indian guest V. A. Sundaram to meet his friend, Prof. Albert Einstein, at his summer home in the town of Caputh. Sundaram was Mahatma Gandhi’s disciple and special envoy, whom Wilfrid Israel met while visiting India and visiting the Indian leader's home in 1925. During the visit, Prof. Einstein wrote a short letter to Mahatma Gandhi that was delivered to him through his envoy. Gandhi responded quickly with his own letter. Although in the end, Einstein and Gandhi were unable to meet as they had hoped, the direct connection between them was established through Wilfrid Israel.
Afghanistan. The root name "Afghān" is, according to some scholars, derived from the Sanskrit name of the "Aśvakan" or "Assakan", ancient inhabitants of the Hindu Kush region. Many empires and kingdoms have also risen to power in Afghanistan, such as the Greco-Bactrians, Indo-Scythians, Kushans, Kidarites, Hephthalites, Alkhons, Nezaks, Zunbils, Turk Shahis, Hindu Shahis, Lawiks, Saffarids, Samanids, Ghaznavids, Ghurids, Khaljis, Kartids, Lodis, Surs, Mughals, and finally, the Hotak and Durrani dynasties, which marked the political origins of the modern state. Before Islam was introduced, people of the region were mostly Hindus, Buddhists and Zoroastrians but there were also Surya and Nana worshipers, Jews, and others. Following an uprising, the 1842 retreat from Kabul of British-Indian forces and the annihilation of Elphinstone's army, and the Battle of Kabul that led to its recapture, the British restored Dost Mohammad Khan as ruler and withdrew their military forces from Afghanistan. During the First World War, when Afghanistan was neutral, Habibullah Khan was met by officials of the Central Powers in the Niedermayer–Hentig Expedition, to declare full independence from the United Kingdom, join them and attack British India, as part of the Hindu–German Conspiracy. Habibullah was assassinated during a hunting trip in February 1919, and Amanullah Khan eventually assumed power. A staunch supporter of the 1915–1916 expeditions, Amanullah Khan provoked the Third Anglo-Afghan War, entering British India via the Khyber Pass. After the end of the Third Anglo-Afghan War and the signing of the Treaty of Rawalpindi on 19 August 1919, Emir Amanullah Khan declared the Emirate of Afghanistan a sovereign and fully independent state. He proclaimed himself King of Afghanistan on 9 June 1926, when the Emirate of Afghanistan became the Kingdom of Afghanistan. The institution of slavery was abolished in the Emirate of Afghanistan in 1923. King Amanullah's wife, Queen Soraya, was an important figure during this period in the fight for woman's education and against their oppression. Faced with the overwhelming armed opposition, King
Amanullah abdicated in January 1929, and soon after Kabul fell to Saqqawist forces led by Habibullah Kalakani. He abandoned the reforms of King Amanullah in favour of a more gradual approach to modernisation, but was assassinated in 1933 by Abdul Khaliq, a fifteen-year-old Hazara student who was an Amanullah loyalist. Mohammed Zahir Shah, Nadir Shah's 19-year-old son, succeeded to the throne and reigned as King from 1933 to 1973. The tribal revolts of 1944–1947 saw King Zahir's reign challenged by Zadran, Safi, Mangal, and Wazir tribesmen led by Mazrak Zadran, Salemai, and Mirzali Khan, among others, many of whom were Amanullah loyalists. Close relations with the Muslim states Turkey, the Hashemite Kingdom of Iraq and Iran/Persia were also pursued, while further international relations were sought by joining the League of Nations in 1934. The country built close relationships with the Axis powers, with Nazi Germany having the largest share in Afghan development at the time, along with the Kingdom of Italy and the Empire of Japan. Until 1946, King Zahir ruled with the assistance of his uncle, who held the post of Prime Minister and continued the policies of Nadir Shah. The Soviet-Afghan War had drastic social effects on Afghanistan. The militarization of society led to heavily armed police, private bodyguards, openly armed civil defense groups and other such things becoming the norm in Afghanistan for decades thereafter. The traditional power structure had shifted from clergy, community elders, intelligentsia and military in favor of powerful warlords.. Taking control of Kandahar city that year, they conquered more territories until finally driving out the government of Rabbani from Kabul in 1996, where they established an emirate that gained international recognition from 3 countries: Pakistan, Saudi Arabia, and the United Arab Emirates. NATO involvement. Taliban resurgence. On 14 April 2021, NATO Secretary General Jens Stoltenberg said the alliance had agreed to start withdrawing its troops from Afghanistan by 1 May. Soon after the withdrawal of NATO troops started, the Taliban launched an offensive against the Afghan government, quickly advancing in front of collapsing Afghan government forces. According to a US intelligence report, the Afghan government would likely collapse within six months after NATO completed its withdrawal from the country. On 15 August 2021, as the Taliban once again controlled a vast majority of Afghan
territory, the Taliban began capturing the capital city of Kabul, and many civilians, government officials and foreign diplomats were evacuated. President Ghani fled Afghanistan that day. As of 16 August 2021, an unofficial Coordination Council led by senior statesmen was in the process of coordinating the transfer of the state institutions of the Islamic Republic of Afghanistan to the Taliban. On 17 August, the First Vice President of the Islamic Republic of Afghanistan, Amrullah Saleh, proclaimed himself the caretaker President of Afghanistan and announced the formation of an anti-Taliban front with a reported 6,000troops in the Panjshir Valley, along with Ahmad Massoud and Defense Minister Bismillah Khan Mohammadi.. Forests exist in the corridor between Nuristan and Paktika provinces (see East Afghan montane conifer forests), and tundra in the north-east. As reported in 2010, the state needs more than US$2 billion to rehabilitate its irrigation systems so that the water is properly managed. In 1979 the total population was reported to be about 15. 5 million. Ethnicity and languages. . According to CIA World Factbook, Dari Persian is spoken by 78% (L1 L2) and functions as the lingua franca, while Pashto is spoken by 50%, Uzbek 10%, English 5%, Turkmen 2%, Urdu 2%, Pashayi 1%, Nuristani 1%, Arabic 1%, and Balochi 1% (2021 est). Data represent the most widely spoken languages; shares sum to more than 100% because there is much bilingualism in the country and because respondents were allowed to select more than one language. There are a number of smaller regional languages, including Uzbek, Turkmen, Balochi, Pashayi, and Nuristani. the governance of Afghanistan has been in a state of flux following the effective collapse of the Islamic Republic of Afghanistan during the fall of Kabul to Taliban forces, and the subsequent re-establishment of the Islamic Emirate of Afghanistan which now exercises "de facto" control over most of the country. A traditional instrument of governance in Afghanistan is the "loya jirga" (grand assembly), a Pashtun consultative meeting that was mainly organized for choosing a new head of state, adopting a new constitution, or to settle national or regional issue such as war. Loya jirgas have been held since at least 1747, with the most recent one
Albania. The Albanians, as Christians, were considered an inferior class of people, and as such they were subjected to heavy taxes among others by the Devshirme system that allowed the Sultan to collect a requisite percentage of Christian adolescents from their families to compose the Janissary. Outside of it, it also applied to join the European Union on 28 April 2009 though it received, upon its application, an official candidate status on 24 June 2014. The tremor was felt in Tirana and in places as far away as Taranto, Italy, and Belgrade, Serbia, while the most affected areas were the coastal city of Durrës and Kodër-Thumanë. From March to June 2020, the government declared a state of emergency as a measure to limit the rapid spread of the pandemic in the country. The country's COVID-19 vaccination campaign started on 11 January 2021, however, as of 11 August 2021, the total number of vaccines administered so far in Albania amounts to 1,280,239 doses. On 27 April 2021 during the 2021 parliamentary elections, the ruling Socialist Party led by Edi Rama, secured its third consecutive victory, winning nearly half of votes and enough seats in parliament to govern alone. . Albania's admission into the North Atlantic Treaty Organisation (NATO) was considered by Albanian politicians to be a significant ambition for the country's foreign policy. The Antea Cement plant in Fushë-Krujë is considered one of the largest industrial greenfield investments in the country
Azerbaijan. Independent Azerbaijan lasted only 23 months until the Bolshevik 11th Soviet Red Army invaded it, establishing the Azerbaijan SSR on 28 April 1920. Azerbaijani architecture has heavy influences from Persian architecture
Art. However, museums do not only provide availability to art, but do also influence the way art is being perceived by the audience, as studies found. Thus, the museum itself is not only a blunt stage for the presentation of art, but plays an active and vital role in the overall perception of art in modern society.
American Revolutionary War. Tribes in the Northwest Territory joined as the Western Confederacy and allied with the British to resist American settlement, and their conflict continued after the Revolutionary War as the Northwest Indian War. . " Contemporaries credited the American Enlightenment with laying the intellectual, moral and ethical foundations of the Revolution among the Founding Fathers. Founders referred to the liberalism in the philosophy of John Locke as powerful influences. Although "Two Treatises of Government" has long been cited as a major influence on American thinkers, historians David Lundberg and Henry F. May demonstrate that Locke's "Essay Concerning Human Understanding" was far more widely read than were his political "Treatises". Historians since the 1960s have emphasized that the Patriot constitutional argument was made possible by the emergence of a sense of American nationalism that united all 13 colonies
Algorithm. English adopted the French term, but it was not until the late 19th century that "algorithm" took on the meaning that it has in modern English.. swap the contents of R and S.. L ← R (this first step is redundant, but is useful for later discussion).. R ← S. S ← L. E1: [Find remainder]: Until the remaining length "r" in R is less than the shorter length "s" in S, repeatedly subtract the measuring number "s" in S from the remaining length "r" in R.. IF S > R THEN. done measuring so. GOTO 10. ELSE.. swap the contents of R and S.. L ← R (this first step is redundant, but is useful for later discussion).. R ← S. S ← L. E1: [Find remainder]: Until the remaining length "r" in R is less than the shorter length "s" in S, repeatedly subtract the measuring number "s" in S from the remaining length "r" in R.. IF S > R THEN. done measuring so. GOTO 10. ELSE. measure again,. R ← R − S. [Remainder-loop]:. GOTO 7.. E2: [Is the remainder zero?]: EITHER (i) the last measure was exact, the remainder in R is zero, and the program can halt, OR (ii) the algorithm must continue: the last measure left a remainder in R less than measuring number in S.. IF R = 0 THEN. done so. GOTO step 15. ELSE.. E1: [Find remainder]: Until the remaining length "r" in R is less than the shorter length "s" in S, repeatedly subtract the measuring number "s" in S from the remaining length "r" in R.. IF S > R THEN. done measuring so. GOTO 10. ELSE. measure again,. R ← R − S. [Remainder-loop]:. GOTO 7.. E2: [Is the remainder zero?]: EITHER (i) the last measure was exact, the remainder in R is zero, and the program can halt, OR (ii) the algorithm must continue: the last
Alexander the Great. His military achievements and enduring, unprecedented success in battle make him the measure against which many later military leaders would compare themselves. Suda writes that Anaximenes of Lampsacus was one of Alexander's teachers, and that Anaximenes also accompanied Alexander on his campaigns.. Egypt was only one of a large number of territories taken by Alexander from the Persians. After his trip to Siwa, Alexander was crowned in the temple of Ptah at Memphis. It appears that the Egyptian people did not find it disturbing that he was a foreigner - nor that he was absent for virtually his entire reign. Alexander restored the temples neglected by the Persians and dedicated new monuments to the Egyptian gods. In the temple of Luxor, near Karnak, he built a chapel for the sacred barge. During his brief months in Egypt, he reformed the taxation system on the Greek models and organized the military occupation of the country, but, early in 331 BCE, he left for Asia in pursuit of the Persians.. Alexander advanced on Egypt in later 332 BC, where he was regarded as a liberator. To legitimize taking power and be recognized as the descendant of the long line of pharaohs, Alexander made sacrifices to the gods at Memphis and went to consult the famous oracle of Amun-Ra at the Siwa Oasis. The Greeks interpreted this message - one that the gods addressed to all pharaohs - as a prophecy. During his stay in Egypt, he founded Alexandria, which would become the prosperous capital of the Ptolemaic Kingdom after his death. Control of Egypt passed to Ptolemy I (son of Lagos), the founder of the Ptolemaic Dynasty (305-30 BCE) after the death of Alexander.. However, as basic forms of commmunity life and the general structure of government were maintained and resuscitated by Alexander under his own rule, he, in the words of the Iranologist Pierre Briant "may therefore be considered to have acted in many ways as the "last of the Achaemenids". There are two different versions of Alexander's death, and details of the death differ slightly in each. Plutarch's account is that roughly 14 days before his death, Alexander entertained admiral Nearchus and spent the night and next day drinking with Medius of Larissa. In the second account, Diodorus recounts that Alexander was struck with pain after
Anime. Italy, Spain, and France grew a particular interest into Japan's output, due to its cheap selling price and productive output. These mass imports influenced anime popularity in South American, Arabic, and German markets. Anime clubs gave rise to anime conventions in the 1990s with the "anime boom", a period marked by anime’s increased popularity. Japanese culture and words have entered English usage through the popularity of the medium, including "otaku", an unflattering Japanese term commonly used in English to denote an obsessive fan of anime and/or manga. Once the expectation that the aspects of visual intrigue or animation being just for children is put aside, the audience can realize that themes involving violence, suffering, sexuality, pain, and death can all be storytelling elements utilized in anime just as much as other media. "South Park"s "Chinpokomon" and "Good Times with Weapons" episodes, Adult Swim's "Perfect Hair Forever", and Nickelodeon's "Kappa Mikey" are examples of Western satirical depictions of Japanese culture and anime, but anime tropes have also been satirized by some anime such as "KonoSuba. ". Traditionally only Japanese works have been considered anime, but some works have sparked debate for blurring the lines between anime and cartoons, such as the American anime-style production "". These anime-styled works have become defined as anime-influenced animation, in an attempt to classify all anime styled works of non-Japanese origin. When anime is defined as a "style" rather than as a national product, it leaves open the possibility of anime being produced in other countries, but this has been contentious amongst fans, with John Oppliger stating, "The insistence on referring to original American art as Japanese "anime" or "manga" robs the work of its cultural identity
Arabic. Arabic is the religious language of 1.. Old Arabic.. Arabia boasted a wide variety of Semitic languages in antiquity. In the southwest, various Central Semitic languages both belonging to and outside of the Ancient South Arabian family (e.g. Southern Thamudic) were spoken. It is also believed that the ancestors of the Modern South Arabian languages (non-Central Semitic languages) were also spoken in southern Arabia at this time. To the north, in the oases of northern Hejaz, Dadanitic and Taymanitic held some prestige as inscriptional languages. In Najd and parts of western Arabia, a language known to scholars as Thamudic C is attested. In eastern Arabia, inscriptions in a script derived from ASA attest to a language known as Hasaitic. Finally, on the northwestern frontier of Arabia, various languages known to scholars as Thamudic B, Thamudic D, Safaitic, and Hismaic are attested. The last two share important isoglosses with later forms of Arabic, leading scholars to theorize that Safaitic and Hismaic are in fact early forms of Arabic and that they should be considered Old Arabic.. Linguists generally believe that "Old Arabic" (a collection of related dialects that constitute the precursor of Arabic) first emerged around the 1st century CE. Previously, the earliest attestation of Old Arabic was thought to be a single 1st century CE inscription in Sabaic script at Qaryat Al-Faw, in southern present-day Saudi Arabia. However, this inscription does not participate in several of the key innovations of the Arabic language group, such as the conversion of Semitic mimation to nunation in the singular. It is best reassessed as a separate language on the Central Semitic dialect continuum.. It was also thought that Old Arabic coexisted alongside—and then gradually displaced--epigraphic Ancient North Arabian (ANA), which was theorized to have been the regional tongue for many centuries. ANA, despite its name, was considered a very distinct language, and mutually unintelligible, from "Arabic". Scholars named its variant dialects after the towns where the inscriptions were discovered (Dadanitic, Taymanitic, Hismaic, Safaitic). However, most arguments for a single ANA language or language family were based on the shape of the definite article, a prefixed h-. It has been argued that the h- is an archaism and not
a shared innovation, and thus unsuitable for language classification, rendering the hypothesis of an ANA language family untenable. Safaitic and Hismaic, previously considered ANA, should be considered Old Arabic due to the fact that they participate in the innovations common to all forms of Arabic.The earliest attestation of continuous Arabic text in an ancestor of the modern Arabic script are three lines of poetry by a man named Garm(')allāhe found in En Avdat, Israel, and dated to around 125 CE. This is followed by the Namara inscription, an epitaph of the Lakhmid king Mar 'al-Qays bar 'Amro, dating to 328 CE, found at Namaraa, Syria. From the 4th to the 6th centuries, the Nabataean script evolves into the Arabic script recognizable from the early Islamic era. There are inscriptions in an undotted, 17-letter Arabic script dating to the 6th century CE, found at four locations in Syria (Zabad, Jabal 'Usays, Harran, Umm al-Jimaal). The oldest surviving papyrus in Arabic dates to 643 CE, and it uses dots to produce the modern 28-letter Arabic alphabet. The language of that papyrus and of the Qur'an are referred to by linguists as "Quranic Arabic", as distinct from its codification soon thereafter into "Classical Arabic".. Old Hejazi and Classical Arabic.. In late pre-Islamic times, a transdialectal and transcommunal variety of Arabic emerged in the Hejaz which continued living its parallel life after literary Arabic had been institutionally standardized in the 2nd and 3rd century of the Hijra, most strongly in Judeo-Christian texts, keeping alive ancient features eliminated from the "learned" tradition (Classical Arabic). This variety and both its classicizing and "lay" iterations have been termed Middle Arabic in the past, but they are thought to continue an Old Higazi register. It is clear that the orthography of the Qur'an was not developed for the standardized form of Classical Arabic; rather, it shows the attempt on the part of writers to record an archaic form of Old Higazi.. In the late 6th century AD, a relatively uniform intertribal "poetic koine" distinct from the spoken vernaculars developed based on the Bedouin dialects of Najd, probably in connection with the court of al-Ḥīra. During
the first Islamic century, the majority of Arabic poets and Arabic-writing persons spoke Arabic as their mother tongue. Their texts, although mainly preserved in far later manuscripts, contain traces of non-standardized Classical Arabic elements in morphology and syntax.. Standardization.. Abu al-Aswad al-Du'ali (c. 603–689) is credited with standardizing Arabic grammar, or "an-naḥw" ( "the way"), and pioneering a system of diacritics to differentiate consonants ( "nuqat l-i'jām" "pointing for non-Arabs") and indicate vocalization ( "at-tashkil"). Al-Khalil ibn Ahmad al-Farahidi (718 – 786) compiled the first Arabic dictionary, "Kitāb al-'Ayn" ( "The Book of the Letter ع"), and is credited with establishing the rules of Arabic prosody. Al-Jahiz (776-868) proposed to Al-Akhfash al-Akbar an overhaul of the grammar of Arabic, but it would not come to pass two centuries. The standardization of Arabic reached completion around the end of the 8th century. The first comprehensive description of the "ʿarabiyya" "Arabic", Sībawayhi's "al"-"Kitāb", is based first of all upon a corpus of poetic texts, in addition to Qur'an usage and Bedouin informants whom he considered to be reliable speakers of the "ʿarabiyya".. Spread.. Arabic spread with the spread of Islam. Following the early Muslim conquests, Arabic gained vocabulary from Middle Persian and Turkish. In the early Abbasid period, many Classical Greek terms entered Arabic through translations carried out at Baghdad's House of Wisdom.. By the 8th century, knowledge of Classical Arabic had become an essential prerequisite for rising into the higher classes throughout the Islamic world, both for Muslims and non-Muslims. For example, Maimonides, the Andalusi Jewish philosopher, authored works in Judeo-Arabic—Arabic written in Hebrew script—including his famous "The Guide for the Perplexed" ( "Dalālat al-ḥāʾirīn").. Development.. Ibn Jinni of Mosul, a pioneer in phonology, wrote prolifically in the 10th century on Arabic morphology and phonology in works such as "Kitāb Al-Munṣ
if, Kitāb Al-Muḥtasab, and".. Ibn Mada' of Cordoba (1116–1196) realized the overhaul of Arabic grammar first proposed by Al-Jahiz 200 years prior.. The Maghrebi lexicographer Ibn Manzur compiled (لسان العرب, "Tongue of Arabs"), a major reference dictionary of Arabic, in 1290.. Neo-Arabic.. Charles Ferguson's koine theory (Ferguson 1959) claims that the modern Arabic dialects collectively descend from a single military koine that sprang up during the Islamic conquests; this view has been challenged in recent times. Ahmad al-Jallad proposes that there were at least two considerably distinct types of Arabic on the eve of the conquests: Northern and Central (Al-Jallad 2009). The modern dialects emerged from a new contact situation produced following the conquests. Instead of the emergence of a single or multiple koines, the dialects contain several sedimentary layers of borrowed and areal features, which they absorbed at different points in their linguistic histories. According to Veersteegh and Bickerton, colloquial Arabic dialects arose from pidginized Arabic formed from contact between Arabs and conquered peoples. Pidginization and subsequent creolization among Arabs and arabized peoples could explain relative morphological and phonological simplicity of vernacular Arabic compared to Classical and MSA.. In around the 11th and 12th centuries in al-Andalus, the "zajal" and "muwashah" poetry forms developed in the dialectical Arabic of Cordoba and the Maghreb.. Nahda.. In the wake of the industrial revolution and European hegemony and colonialism, pioneering Arabic presses, such as the Amiri Press established by Muhammad Ali (1819), dramatically changed the diffusion and consumption of Arabic literature and publications.. The "Nahda" cultural renaissance saw the creation of a number of Arabic academies modeled after the "Académie française" that aimed to develop the Arabic lexicon to suit these transformations, first in Damascus (1919), then in Cairo (1932), Baghdad (1948), Rabat (1960), Amman (1977), (1993), and Tunis (1993). In 1997, a bureau of Arabization standardization was added to the Educational, Cultural, and Scientific Organization of the Arab League. These academies and organizations have worked toward the Arabization of the sciences,
creating terms in Arabic to describe new concepts, toward the standardization of these new terms throughout the Arabic-speaking world, and toward the development of Arabic as a world language. This gave rise to what Western scholars call Modern Standard Arabic.. From the 1950s, Arabization became a postcolonial nationalist policy in countries such as Tunisia, Algeria, Morocco, and Sudan.. Classical, Modern Standard and spoken Arabic.. "Arabic" usually refers to Standard Arabic, which Western linguists divide into Classical Arabic and Modern Standard Arabic. It could also refer to any of a variety of regional vernacular Arabic dialects, which are not necessarily mutually intelligible.. Classical Arabic is the language found in the Quran, used from the period of Pre-Islamic Arabia to that of the Abbasid Caliphate. Classical Arabic is prescriptive, according to the syntactic and grammatical norms laid down by classical grammarians (such as Sibawayh) and the vocabulary defined in classical dictionaries (such as the "Lisān al-ʻArab").. Modern Standard Arabic (MSA) largely follows the grammatical standards of Classical Arabic and uses much of the same vocabulary. However, it has discarded some grammatical constructions and vocabulary that no longer have any counterpart in the spoken varieties and has adopted certain new constructions and vocabulary from the spoken varieties. Much of the new vocabulary is used to denote concepts that have arisen in the industrial and post-industrial era, especially in modern times. Due to its grounding in Classical Arabic, Modern Standard Arabic is removed over a millennium from everyday speech, which is construed as a multitude of dialects of this language. These dialects and Modern Standard Arabic are described by some scholars as not mutually comprehensible. The former are usually acquired in families, while the latter is taught in formal education settings. However, there have been studies reporting some degree of comprehension of stories told in the standard variety among preschool-aged children. The relation between Modern Standard Arabic and these dialects is sometimes compared to that of Classical Latin and Vulgar Latin vernaculars (which became Romance languages) in medieval and early modern Europe. This view though does not take into account the widespread use of Modern Standard Arabic as a medium of audiovisual communication in today's mass media—a function Latin has never performed.. MSA is the variety used in most current, printed Arabic publications, spoken by some of the Arabic media across North Africa and the Middle East, and understood by most educated Arabic speakers. "Literary Arabic"
and "Standard Arabic" ( ") are less strictly defined terms that may refer to Modern Standard Arabic or Classical Arabic.. Some of the differences between Classical Arabic (CA) and Modern Standard Arabic (MSA) are as follows:. MSA uses much Classical vocabulary (e.g.,''to go') that is not present in the spoken varieties, but deletes Classical words that sound obsolete in MSA. In addition, MSA has borrowed or coined many terms for concepts that did not exist in Quranic times, and MSA continues to evolve. Some words have been borrowed from other languages—notice that transliteration mainly indicates spelling and not real pronunciation (e.g.,''film' or " 'democracy').. However, the current preference is to avoid direct borrowings, preferring to either use loan translations (e.g.,''branch', also used for the branch of a company or organization;''wing', is also used for the wing of an airplane, building, air force, etc.), or to coin new words using forms within existing roots (''apoptosis', using the root "m/w/t" 'death' put into the Xth form, or''university', based on''to gather, unite';''republic', based on''multitude'). An earlier tendency was to redefine an older word although this has fallen into disuse (e.g.,''telephone' < 'invisible caller (in Sufism)'; "" 'newspaper' < 'palm-leaf stalk').. "Colloquial" or "dialectal" Arabic refers to the many national or regional varieties which constitute the everyday spoken language and evolved from Classical Arabic. Colloquial Arabic has many regional variants; geographically distant varieties usually differ enough to be mutually unintelligible, and some linguists consider them distinct languages. However, research indicates a high degree of mutual intelligibility between closely related Arabic variants for native speakers listening to words, sentences, and texts; and between more distantly related dialects in interactional situations.. The varieties are typically unwritten. They are often used in informal spoken media, such as soap operas and talk shows, as well as occasionally in certain forms of written media such as poetry and printed advertising.. The only variety of modern Arabic to have acquired official language status is Maltese, which is spoken in (predominantly Catholic) Malta and written with the Latin script.
It is descended from Classical Arabic through Siculo-Arabic, but is not mutually intelligible with any other variety of Arabic. Most linguists list it as a separate language rather than as a dialect of Arabic.. Even during Muhammad's lifetime, there were dialects of spoken Arabic. Muhammad spoke in the dialect of Mecca, in the western Arabian peninsula, and it was in this dialect that the Quran was written down. However, the dialects of the eastern Arabian peninsula were considered the most prestigious at the time, so the language of the Quran was ultimately converted to follow the eastern phonology. It is this phonology that underlies the modern pronunciation of Classical Arabic. The phonological differences between these two dialects account for some of the complexities of Arabic writing, most notably the writing of the glottal stop or "hamzah" (which was preserved in the eastern dialects but lost in western speech) and the use of'(representing a sound preserved in the western dialects but merged with'in eastern speech).. Language and dialect.. The sociolinguistic situation of Arabic in modern times provides a prime example of the linguistic phenomenon of diglossia, which is the normal use of two separate varieties of the same language, usually in different social situations. "Tawleed" is the process of giving a new shade of meaning to an old classical word. For example, "al-hatif" lexicographically, means the one whose sound is heard but whose person remains unseen. Now the term "al-hatif" is used for a telephone. Therefore, the process of "tawleed" can express the needs of modern civilization in a manner that would appear to be originally Arabic. In the case of Arabic, educated Arabs of any nationality can be assumed to speak both their school-taught Standard Arabic as well as their native, mutually unintelligible "dialects"; these dialects linguistically constitute separate languages which may have dialects of their own. When educated Arabs of different dialects engage in conversation (for example, a Moroccan speaking with a Lebanese), many speakers code-switch back and forth between the dialectal and standard varieties of the language, sometimes even within the same sentence. Arabic speakers often improve their familiarity with other dialects via music or film.. The issue of whether Arabic is one language or many languages is politically charged, in the same way it is for the varieties of Chinese, Hindi and Urdu, Serbian and Croatian, Scots and English, etc. In contrast to
speakers of Hindi and Urdu who claim they cannot understand each other even when they can, speakers of the varieties of Arabic will claim they can all understand each other even when they cannot. The issue of diglossia between spoken and written language is a significant complicating factor: A single written form, significantly different from any of the spoken varieties learned natively, unites a number of sometimes divergent spoken forms. For political reasons, Arabs mostly assert that they all speak a single language, despite significant issues of mutual incomprehensibility among differing spoken versions.. From a linguistic standpoint, it is often said that the various spoken varieties of Arabic differ among each other collectively about as much as the Romance languages. This is an apt comparison in a number of ways. The period of divergence from a single spoken form is similar—perhaps 1500 years for Arabic, 2000 years for the Romance languages. Also, while it is comprehensible to people from the Maghreb, a linguistically innovative variety such as Moroccan Arabic is essentially incomprehensible to Arabs from the Mashriq, much as French is incomprehensible to Spanish or Italian speakers but relatively easily learned by them. This suggests that the spoken varieties may linguistically be considered separate languages.. Influence of Arabic on other languages.. The influence of Arabic has been most important in Islamic countries, because it is the language of the Islamic sacred book, the Quran. Arabic is also an important source of vocabulary for languages such as Amharic, Azerbaijani, Baluchi, Bengali, Berber, Bosnian, Chaldean, Chechen, Chittagonian, Croatian, Dagestani, English, German, Gujarati, Hausa, Hindi, Kazakh, Kurdish, Kutchi, Kyrgyz, Malay (Malaysian and Indonesian), Pashto, Persian, Punjabi, Rohingya, Romance languages (French, Catalan, Italian, Portuguese, Sicilian, Spanish, etc.) Saraiki, Sindhi, Somali, Sylheti, Swahili, Tagalog, Tigrinya, Turkish, Turkmen, Urdu, Uyghur, Uzbek, Visayan and Wolof, as well as other languages in countries where these languages are spoken.. The Education Minister of France Jean-Michel Blanquer has emphasized the learning and usage of Arabic in French schools.. In addition, English has many Arabic loanwords, some directly, but most via other Mediterranean languages. Examples of such words include admiral, adobe, alchemy, alcohol, algebra, algorithm, alk
aline, almanac, amber, arsenal, assassin, candy, carat, cipher, coffee, cotton, ghoul, hazard, jar, kismet, lemon, loofah, magazine, mattress, sherbet, sofa, sumac, tariff, and zenith. Other languages such as Maltese and Kinubi derive ultimately from Arabic, rather than merely borrowing vocabulary or grammatical rules.. Terms borrowed range from religious terminology (like Berber "taẓallit", "prayer", from "salat" ( "")), academic terms (like Uyghur "mentiq", "logic"), and economic items (like English "coffee") to placeholders (like Spanish "fulano", "so-and-so"), everyday terms (like Hindustani "lekin", "but", or Spanish "taza" and French "tasse", meaning "cup"), and expressions (like Catalan "a betzef", "galore, in quantity"). Most Berber varieties (such as Kabyle), along with Swahili, borrow some numbers from Arabic. Most Islamic religious terms are direct borrowings from Arabic, such as ("salat"), "prayer", and ("imam"), "prayer leader.". In languages not directly in contact with the Arab world, Arabic loanwords are often transferred indirectly via other languages rather than being transferred directly from Arabic. For example, most Arabic loanwords in Hindustani and Turkish entered through Persian. Older Arabic loanwords in Hausa were borrowed from Kanuri.. Arabic words also made their way into several West African languages as Islam spread across the Sahara. Variants of Arabic words such as "kitāb" ("book") have spread to the languages of African groups who had no direct contact with Arab traders.. Since throughout the Islamic world, Arabic occupied a position similar to that of Latin in Europe, many of the Arabic concepts in the fields of science, philosophy, commerce, etc. were coined from Arabic roots by non-native Arabic speakers, notably by Aramaic and Persian translators, and then found their way into other languages. This process of using Arabic roots, especially in Kurdish and Persian, to translate foreign concepts continued through to the 18th and 19th centuries, when swaths of Arab-inhabited lands were under Ottoman rule.. Influence of other languages on Arabic.. The most important sources of borrowings into (pre-Islamic) Arabic are from the related (Semitic) languages Aramaic, which used to be
the principal, international language of communication throughout the ancient Near and Middle East, and Ethiopic. In addition, many cultural, religious and political terms have entered Arabic from Iranian languages, notably Middle Persian, Parthian, and (Classical) Persian, and Hellenistic Greek ("kīmiyāʼ" has as origin the Greek "khymia", meaning in that language the melting of metals; see Roger Dachez, "Histoire de la Médecine de l'Antiquité au XXe siècle", Tallandier, 2008, p. 251), "alembic" (distiller) from "ambix" (cup), "almanac" (climate) from "almenichiakon" (calendar). (For the origin of the last three borrowed words, see Alfred-Louis de Prémare, "Foundations of Islam", Seuil, L'Univers Historique, 2002.) Some Arabic borrowings from Semitic or Persian languages are, as presented in De Prémare's above-cited book:. A comprehensive overview of the influence of other languages on Arabic is found in Lucas & Manfredi (2020).. Arabic alphabet and nationalism.. There have been many instances of national movements to convert Arabic script into Latin script or to Romanize the language. Currently, the only language derived from Classical Arabic to use Latin script is Maltese.. Lebanon.. The Beirut newspaper "La Syrie" pushed for the change from Arabic script to Latin letters in 1922. The major head of this movement was Louis Massignon, a French Orientalist, who brought his concern before the Arabic Language Academy in Damascus in 1928. Massignon's attempt at Romanization failed as the Academy and population viewed the proposal as an attempt from the Western world to take over their country. Sa'id Afghani, a member of the Academy, mentioned that the movement to Romanize the script was a Zionist plan to dominate Lebanon.. Egypt.. After the period of colonialism in Egypt, Egyptians were looking for a way to reclaim and re-emphasize Egyptian culture. As a result, some Egyptians pushed for an Egyptianization of the Arabic language in which the formal Arabic and the colloquial Arabic would be combined into one language and the Latin alphabet would be used. There was also the idea of finding a way to use Hieroglyphics instead of the Latin alphabet, but this was seen as too complicated to use. A scholar, Salama Musa
agreed with the idea of applying a Latin alphabet to Arabic, as he believed that would allow Egypt to have a closer relationship with the West. He also believed that Latin script was key to the success of Egypt as it would allow for more advances in science and technology. This change in alphabet, he believed, would solve the problems inherent with Arabic, such as a lack of written vowels and difficulties writing foreign words that made it difficult for non-native speakers to learn. Ahmad Lutfi As Sayid and Muhammad Azmi, two Egyptian intellectuals, agreed with Musa and supported the push for Romanization. The idea that Romanization was necessary for modernization and growth in Egypt continued with Abd Al-Aziz Fahmi in 1944. He was the chairman for the Writing and Grammar Committee for the Arabic Language Academy of Cairo. However, this effort failed as the Egyptian people felt a strong cultural tie to the Arabic alphabet. In particular, the older Egyptian generations believed that the Arabic alphabet had strong connections to Arab values and history, due to the long history of the Arabic alphabet (Shrivtiel, 189) in Muslim societies.. The language of the Quran and its influence on poetry.. The Quran introduced a new way of writing to the world. People began studying and applying the unique styles they learned from the Quran to not only their own writing, but also their culture. Writers studied the unique structure and format of the Quran in order to identify and apply the figurative devices and their impact on the reader.. Quran's figurative devices.. The Quran inspired musicality in poetry through the internal rhythm of the verses. The arrangement of words, how certain sounds create harmony, and the agreement of rhymes create the sense of rhythm within each verse. At times, the chapters of the Quran only have the rhythm in common.. The repetition in the Quran introduced the true power and impact repetition can have in poetry. The repetition of certain words and phrases made them appear more firm and explicit in the Quran. The Quran uses constant metaphors of blindness and deafness to imply unbelief. Metaphors were not a new concept to poetry, however the strength of extended metaphors was. The explicit imagery in the Quran inspired many poets to include and focus on the feature in their own work. The poet ibn al-Mu'tazz wrote a book regarding the figures of speech inspired by his study of the Quran. Poets such as badr Shakir al sayyab expresses his political opinion in his work through imagery inspired by the forms of more harsher imagery used in the Quran..
The Quran uses figurative devices in order to express the meaning in the most beautiful form possible. The study of the pauses in the Quran as well as other rhetoric allow it to be approached in a multiple ways.. Structure.. Although the Quran is known for its fluency and harmony, the structure can be best described as not always being inherently chronological, but can also flow thematically instead (the chapters in the Quran have segments that flow in chronological order, however segments can transition into other segments not related in chronology, but could be related in topic). The suras, also known as chapters of the Quran, are not placed in chronological order. The only constant in their structure is that the longest are placed first and shorter ones follow. The topics discussed in the chapters can also have no direct relation to each other (as seen in many suras) and can share in their sense of rhyme. The Quran introduces to poetry the idea of abandoning order and scattering narratives throughout the text. Harmony is also present in the sound of the Quran. The elongations and accents present in the Quran create a harmonious flow within the writing. Unique sound of the Quran recited, due to the accents, create a deeper level of understanding through a deeper emotional connection.. The Quran is written in a language that is simple and understandable by people. The simplicity of the writing inspired later poets to write in a more clear and clear-cut style. The words of the Quran, although unchanged, are to this day understandable and frequently used in both formal and informal Arabic. The simplicity of the language makes memorizing and reciting the Quran a slightly easier task.. Culture and the Quran.. The writer al-Khattabi explains how culture is a required element to create a sense of art in work as well as understand it. He believes that the fluency and harmony which the Quran possess are not the only elements that make it beautiful and create a bond between the reader and the text. While a lot of poetry was deemed comparable to the Quran in that it is equal to or better than the composition of the Quran, a debate rose that such statements are not possible because humans are incapable of composing work comparable to the Quran.. Because the structure of the Quran made it difficult for a clear timeline to be seen, Hadith were the main source of chronological order. The Hadith were passed down from generation to generation and this tradition became a large resource for understanding the context. Poetry after the Quran began possessing this element of tradition by including ambiguity and background information to be required to understand the
meaning.. After the Quran came down to the people, the tradition of memorizing the verses became present. It is believed that the greater the amount of the Quran memorized, the greater the faith. As technology improved over time, hearing recitations of the Quran became more available as well as more tools to help memorize the verses.. The tradition of Love Poetry served as a symbolic representation of a Muslim's desire for a closer contact with their Lord.. While the influence of the Quran on Arabic poetry is explained and defended by numerous writers, some writers such as Al-Baqillani believe that poetry and the Quran are in no conceivable way related due to the uniqueness of the Quran. Poetry's imperfections prove his points that they cannot be compared with the fluency the Quran holds.. Arabic and Islam.. Classical Arabic is the language of poetry and literature (including news); it is also mainly the language of the Quran. Classical Arabic is closely associated with the religion of Islam because the Quran was written in it. Most of the world's Muslims do not speak Classical Arabic as their native language, but many can read the Quranic script and recite the Quran. Among non-Arab Muslims, translations of the Quran are most often accompanied by the original text. At present, Modern Standard Arabic (MSA) is also used in modernized versions of literary forms of the Quran.. Some Muslims present a monogenesis of languages and claim that the Arabic language was the language revealed by God for the benefit of mankind and the original language as a prototype system of symbolic communication, based upon its system of triconsonantal roots, spoken by man from which all other languages were derived, having first been corrupted. Judaism has a similar account with the Tower of Babel.. Dialects and descendants.. "Colloquial Arabic" is a collective term for the spoken dialects of Arabic used throughout the Arab world, which differ radically from the literary language. The main dialectal division is between the varieties within and outside of the Arabian peninsula, followed by that between sedentary varieties and the much more conservative Bedouin varieties. All the varieties outside of the Arabian peninsula (which include the large majority of speakers) have many features in common with each other that are not found in Classical Arabic. This has led researchers to postulate the existence of a prestige koine dialect in the one or two centuries immediately following the Arab conquest, whose features eventually spread to all newly conquered areas. These features are present to varying degrees inside the Arabian peninsula. Generally, the Arabian peninsula varieties
have much more diversity than the non-peninsula varieties, but these have been understudied.. Within the non-peninsula varieties, the largest difference is between the non-Egyptian North African dialects (especially Moroccan Arabic) and the others. Moroccan Arabic in particular is hardly comprehensible to Arabic speakers east of Libya (although the converse is not true, in part due to the popularity of Egyptian films and other media).. One factor in the differentiation of the dialects is influence from the languages previously spoken in the areas, which have typically provided a significant number of new words and have sometimes also influenced pronunciation or word order; however, a much more significant factor for most dialects is, as among Romance languages, retention (or change of meaning) of different classical forms. Thus Iraqi "aku", Levantine "fīh" and North African "kayən" all mean 'there is', and all come from Classical Arabic forms ("yakūn", "fīhi", "kā'in" respectively), but now sound very different.. Examples.. Transcription is a broad IPA transcription, so minor differences were ignored for easier comparison. Also, the pronunciation of Modern Standard Arabic differs significantly from region to region.. Koiné.. According to Charles A. Ferguson, the following are some of the characteristic features of the koiné that underlies all the modern dialects outside the Arabian peninsula. Although many other features are common to most or all of these varieties, Ferguson believes that these features in particular are unlikely to have evolved independently more than once or twice and together suggest the existence of the koine:. Phonology.. History... Modern Standard Arabic has six pure vowels (while most modern dialects have eight pure vowels which includes the long vowels ), with short and corresponding long vowels. There are also two diphthongs: and.. The pronunciation of the vowels differs from speaker to speaker, in a way that tends to reflect the pronunciation of the corresponding colloquial variety. Nonetheless, there are some common trends. Most noticeable is the differing pronunciation of and, which tend towards fronted, or in most situations, but a back in the neighborhood of emphatic consonants. Some accents and dialects, such as those of the Hejaz region, have an open or a central in all situations. The vowel varies towards too. Listen to the final vowel in the recording of "" at the beginning of this article, for example. The point is, Arabic has only three
short vowel phonemes, so those phonemes can have a very wide range of allophones. The vowels and are often affected somewhat in emphatic neighborhoods as well, with generally more back or centralized allophones, but the differences are less great than for the low vowels. The pronunciation of short and tends towards and, respectively, in many dialects.. The definition of both "emphatic" and "neighborhood" vary in ways that reflect (to some extent) corresponding variations in the spoken dialects. Generally, the consonants triggering "emphatic" allophones are the pharyngealized consonants ; ; and, if not followed immediately by. Frequently, the fricatives also trigger emphatic allophones; occasionally also the pharyngeal consonants (the former more than the latter). Many dialects have multiple emphatic allophones of each vowel, depending on the particular nearby consonants. In most MSA accents, emphatic coloring of vowels is limited to vowels immediately adjacent to a triggering consonant, although in some it spreads a bit farther: e.g.,''time';''homeland'; "" 'downtown' (sometimes or similar).. In a non-emphatic environment, the vowel in the diphthong tends to be fronted even more than elsewhere, often pronounced or : hence''sword' but''summer'. However, in accents with no emphatic allophones of (e.g., in the Hejaz), the pronunciation or occurs in all situations.. Consonants.. The phoneme is represented by the Arabic letter'() and has many standard pronunciations. is characteristic of north Algeria, Iraq, and most of the Arabian peninsula but with an allophonic in some positions; occurs in most of the Levant and most of North Africa; and is used in most of Egypt and some regions in Yemen and Oman. Generally this corresponds with the pronunciation in the colloquial dialects. In some regions in Sudan and Yemen, as well as in some Sudanese and Yemeni dialects, it may be either or, representing the original pronunciation of Classical Arabic. Foreign words containing may be transcribed with,,,,, or, mainly depending on the regional spoken variety of Arabic or the commonly diacriticized Arabic letter. In northern Egypt, where the Arabic letter'() is normally pronounced, a separate phoneme, which may be transcribed with, occurs in
a small number of mostly non-Arabic loanwords, e.g., 'jacket'.. () can be pronounced as. In some places of Maghreb it can be also pronounced as.. and () are velar, post-velar, or uvular.. In many varieties, () are epiglottal in Western Asia.. is pronounced as velarized in الله, the name of God, q.e. Allah, when the word follows "a", "ā", "u" or "ū" (after "i" or "ī" it is unvelarized: "bismi l–lāh" ). Some speakers velarize other occurrences of in MSA, in imitation of their spoken dialects.. The emphatic consonant was actually pronounced, or possibly —either way, a highly unusual sound. The medieval Arabs actually termed their language "" 'the language of the Ḍād' (the name of the letter used for this sound), since they thought the sound was unique to their language. (In fact, it also exists in a few other minority Semitic languages, e.g., Mehri.). Arabic has consonants traditionally termed "emphatic" (), which exhibit simultaneous pharyngealization as well as varying degrees of velarization (depending on the region), so they may be written with the "Velarized or pharyngealized" diacritic () as:. This simultaneous articulation is described as "Retracted Tongue Root" by phonologists. In some transcription systems, emphasis is shown by capitalizing the letter, for example, is written ; in others the letter is underlined or has a dot below it, for example,.. Vowels and consonants can be phonologically short or long. Long (geminate) consonants are normally written doubled in Latin transcription (i.e. bb, dd, etc.), reflecting the presence of the Arabic diacritic mark ', which indicates doubled consonants. In actual pronunciation, doubled consonants are held twice as long as short consonants. This consonant lengthening is phonemically contrastive:''he accepted' vs. "" 'he kissed'.. Syllable structure.. Arabic has two kinds of syllables: open syllables (CV) and (CVV)—and closed syllables (CVC), (CVVC) and (CVCC). The syllable types with two morae (units of time
), i.e. CVC and CVV, are termed "heavy syllables", while those with three morae, i.e. CVVC and CVCC, are "superheavy syllables". Superheavy syllables in Classical Arabic occur in only two places: at the end of the sentence (due to pausal pronunciation) and in words such as''hot',''stuff, substance',''they disputed with each other', where a long'occurs before two identical consonants (a former short vowel between the consonants has been lost). (In less formal pronunciations of Modern Standard Arabic, superheavy syllables are common at the end of words or before clitic suffixes such as "" 'us, our', due to the deletion of final short vowels.). In surface pronunciation, every vowel must be preceded by a consonant (which may include the glottal stop ). There are no cases of hiatus within a word (where two vowels occur next to each other, without an intervening consonant). Some words do have an underlying vowel at the beginning, such as the definite article "al-" or words such as''he bought',''meeting'. When actually pronounced, one of three things happens:. Stress.. Word stress is not phonemically contrastive in Standard Arabic. It bears a strong relationship to vowel length. The basic rules for Modern Standard Arabic are:. Examples:' 'book',''writer',''desk',''desks',''library' (but''library' in short pronunciation),'(Modern Standard Arabic) 'they wrote' ='(dialect),'(Modern Standard Arabic) 'they wrote it' ='(dialect),'(Modern Standard Arabic) 'they (dual, fem) wrote','(Modern Standard Arabic) 'I wrote' ='(short form or dialect). Doubled consonants count as two consonants:''magazine', "" "place".. These rules may result in differently stressed syllables when final case endings are pronounced, vs. the normal situation where they are not pronounced, as in the above example of''library' in full pronunciation, but''library' in short pronunciation.. The restriction on final long vowels does not apply to the spoken dialects, where original final long vowels have been shortened and secondary final long vowels have arisen from loss of original final "-hu/hi".. Some dialects have different stress rules. In the
Cairo (Egyptian Arabic) dialect a heavy syllable may not carry stress more than two syllables from the end of a word, hence''school',''Cairo'. This also affects the way that Modern Standard Arabic is pronounced in Egypt. In the Arabic of Sanaa, stress is often retracted:''two houses',''their table',''desks',''sometimes', "" 'their school'. (In this dialect, only syllables with long vowels or diphthongs are considered heavy; in a two-syllable word, the final syllable can be stressed only if the preceding syllable is light; and in longer words, the final syllable cannot be stressed.). Levels of pronunciation.. The final short vowels (e.g., the case endings "-a -i -u" and mood endings "-u -a") are often not pronounced in this language, despite forming part of the formal paradigm of nouns and verbs. The following levels of pronunciation exist:. Full pronunciation with pausa.. This is the most formal level actually used in speech. All endings are pronounced as written, except at the end of an utterance, where the following changes occur:. Formal short pronunciation.. This is a formal level of pronunciation sometimes seen. It is somewhat like pronouncing all words as if they were in pausal position (with influence from the colloquial varieties). The following changes occur:. Informal short pronunciation.. This is the pronunciation used by speakers of Modern Standard Arabic in extemporaneous speech, i.e. when producing new sentences rather than simply reading a prepared text. It is similar to formal short pronunciation except that the rules for dropping final vowels apply "even" when a clitic suffix is added. Basically, short-vowel case and mood endings are never pronounced and certain other changes occur that echo the corresponding colloquial pronunciations. Specifically:. Colloquial varieties.. Vowels... The phoneme is represented by the Arabic letter'() and has many standard pronunciations. is characteristic of north Algeria, Iraq, and most of the Arabian peninsula but with an allophonic in some positions; occurs in most of the Levant and most of North Africa; and is used in most of Egypt and some regions in Yemen and Oman. Generally this corresponds with the pronunciation in the colloquial dialects. In some regions in Sudan and Yemen, as well as in some Sudanese and Yemeni dialects, it may be
either or, representing the original pronunciation of Classical Arabic. Foreign words containing may be transcribed with,,,,, or, mainly depending on the regional spoken variety of Arabic or the commonly diacriticized Arabic letter. In northern Egypt, where the Arabic letter'() is normally pronounced, a separate phoneme, which may be transcribed with, occurs in a small number of mostly non-Arabic loanwords, e.g., 'jacket'.. () can be pronounced as. In some places of Maghreb it can be also pronounced as.. and () are velar, post-velar, or uvular.. In many varieties, () are epiglottal in Western Asia.. is pronounced as velarized in الله, the name of God, q.e. Allah, when the word follows "a", "ā", "u" or "ū" (after "i" or "ī" it is unvelarized: "bismi l–lāh" ). Some speakers velarize other occurrences of in MSA, in imitation of their spoken dialects.. The emphatic consonant was actually pronounced, or possibly —either way, a highly unusual sound. The medieval Arabs actually termed their language "" 'the language of the Ḍād' (the name of the letter used for this sound), since they thought the sound was unique to their language. (In fact, it also exists in a few other minority Semitic languages, e.g., Mehri.). Arabic has consonants traditionally termed "emphatic" (), which exhibit simultaneous pharyngealization as well as varying degrees of velarization (depending on the region), so they may be written with the "Velarized or pharyngealized" diacritic () as:. This simultaneous articulation is described as "Retracted Tongue Root" by phonologists. In some transcription systems, emphasis is shown by capitalizing the letter, for example, is written ; in others the letter is underlined or has a dot below it, for example,.. Vowels and consonants can be phonologically short or long. Long (geminate) consonants are normally written doubled in Latin transcription (i.e. bb, dd, etc.), reflecting the presence of the Arabic diacritic mark ', which indicates doubled consonants. In actual pronunciation, doubled consonants are held twice as long as short consonants. This consonant lengthening
is phonemically contrastive:''he accepted' vs. "" 'he kissed'.. Syllable structure.. Arabic has two kinds of syllables: open syllables (CV) and (CVV)—and closed syllables (CVC), (CVVC) and (CVCC). The syllable types with two morae (units of time), i.e. CVC and CVV, are termed "heavy syllables", while those with three morae, i.e. CVVC and CVCC, are "superheavy syllables". Superheavy syllables in Classical Arabic occur in only two places: at the end of the sentence (due to pausal pronunciation) and in words such as''hot',''stuff, substance',''they disputed with each other', where a long'occurs before two identical consonants (a former short vowel between the consonants has been lost). (In less formal pronunciations of Modern Standard Arabic, superheavy syllables are common at the end of words or before clitic suffixes such as "" 'us, our', due to the deletion of final short vowels.). In surface pronunciation, every vowel must be preceded by a consonant (which may include the glottal stop ). There are no cases of hiatus within a word (where two vowels occur next to each other, without an intervening consonant). Some words do have an underlying vowel at the beginning, such as the definite article "al-" or words such as''he bought',''meeting'. When actually pronounced, one of three things happens:. Stress.. Word stress is not phonemically contrastive in Standard Arabic. It bears a strong relationship to vowel length. The basic rules for Modern Standard Arabic are:. Examples:' 'book',''writer',''desk',''desks',''library' (but''library' in short pronunciation),'(Modern Standard Arabic) 'they wrote' ='(dialect),'(Modern Standard Arabic) 'they wrote it' ='(dialect),'(Modern Standard Arabic) 'they (dual, fem) wrote','(Modern Standard Arabic) 'I wrote' ='(short form or dialect). Doubled consonants count as two consonants:''magazine', "" "place".. These rules may result in differently stressed syllables when final case endings are pronounced, vs. the normal situation where they are not pronounced, as in the above
example of''library' in full pronunciation, but''library' in short pronunciation.. The restriction on final long vowels does not apply to the spoken dialects, where original final long vowels have been shortened and secondary final long vowels have arisen from loss of original final "-hu/hi".. Some dialects have different stress rules. In the Cairo (Egyptian Arabic) dialect a heavy syllable may not carry stress more than two syllables from the end of a word, hence''school',''Cairo'. This also affects the way that Modern Standard Arabic is pronounced in Egypt. In the Arabic of Sanaa, stress is often retracted:''two houses',''their table',''desks',''sometimes', "" 'their school'. (In this dialect, only syllables with long vowels or diphthongs are considered heavy; in a two-syllable word, the final syllable can be stressed only if the preceding syllable is light; and in longer words, the final syllable cannot be stressed.). Levels of pronunciation.. The final short vowels (e.g., the case endings "-a -i -u" and mood endings "-u -a") are often not pronounced in this language, despite forming part of the formal paradigm of nouns and verbs. The following levels of pronunciation exist:. Full pronunciation with pausa.. This is the most formal level actually used in speech. All endings are pronounced as written, except at the end of an utterance, where the following changes occur:. Formal short pronunciation.. This is a formal level of pronunciation sometimes seen. It is somewhat like pronouncing all words as if they were in pausal position (with influence from the colloquial varieties). The following changes occur:. Informal short pronunciation.. This is the pronunciation used by speakers of Modern Standard Arabic in extemporaneous speech, i.e. when producing new sentences rather than simply reading a prepared text. It is similar to formal short pronunciation except that the rules for dropping final vowels apply "even" when a clitic suffix is added. Basically, short-vowel case and mood endings are never pronounced and certain other changes occur that echo the corresponding colloquial pronunciations. Specifically:. Colloquial varieties.. Vowels.. As mentioned above, many spoken dialects have a process of "emphasis spreading", where the "emphasis" (pharyngealization) of emphatic consonants spreads forward
and back through adjacent syllables, pharyngealizing all nearby consonants and triggering the back allophone in all nearby low vowels. The extent of emphasis spreading varies. For example, in Moroccan Arabic, it spreads as far as the first full vowel (i.e. sound derived from a long vowel or diphthong) on either side; in many Levantine dialects, it spreads indefinitely, but is blocked by any or ; while in Egyptian Arabic, it usually spreads throughout the entire word, including prefixes and suffixes. In Moroccan Arabic, also have emphatic allophones and, respectively.. Unstressed short vowels, especially, are deleted in many contexts. Many sporadic examples of short vowel change have occurred (especially → and interchange ↔). Most Levantine dialects merge short /i u/ into in most contexts (all except directly before a single final consonant). In Moroccan Arabic, on the other hand, short triggers labialization of nearby consonants (especially velar consonants and uvular consonants), and then short /a i u/ all merge into, which is deleted in many contexts. (The labialization plus is sometimes interpreted as an underlying phoneme.) This essentially causes the wholesale loss of the short-long vowel distinction, with the original long vowels remaining as half-long, phonemically, which are used to represent "both" short and long vowels in borrowings from Literary Arabic.. Most spoken dialects have monophthongized original to in most circumstances, including adjacent to emphatic consonants, while keeping them as the original diphthongs in others e.g.. In most of the Moroccan, Algerian and Tunisian (except Sahel and Southeastern) Arabic dialects, they have subsequently merged into original.. Consonants... The "colloquial" spoken dialects of Arabic are learned at home and constitute the native languages of Arabic speakers. "Formal" Literary Arabic (usually specifically Modern Standard Arabic) is learned at school; although many speakers have a native-like command of the language, it is technically not the native language of any speakers. Both varieties can be both written and spoken, although the colloquial varieties are rarely written down and the formal variety is spoken mostly in formal circumstances, e.g., in radio and TV broadcasts, formal lectures, parliamentary discussions and to some extent between speakers of different colloquial dialects. Even when the literary language is spoken, however, it
is normally only spoken in its pure form when reading a prepared text out loud and communication between speakers of different colloquial dialects. When speaking extemporaneously (i.e. making up the language on the spot, as in a normal discussion among people), speakers tend to deviate somewhat from the strict literary language in the direction of the colloquial varieties. In fact, there is a continuous range of "in-between" spoken varieties: from nearly pure Modern Standard Arabic (MSA), to a form that still uses MSA grammar and vocabulary but with significant colloquial influence, to a form of the colloquial language that imports a number of words and grammatical constructions in MSA, to a form that is close to pure colloquial but with the "rough edges" (the most noticeably "vulgar" or non-Classical aspects) smoothed out, to pure colloquial. The particular variant (or "register") used depends on the social class and education level of the speakers involved and the level of formality of the speech situation. Often it will vary within a single encounter, e.g., moving from nearly pure MSA to a more mixed language in the process of a radio interview, as the interviewee becomes more comfortable with the interviewer. This type of variation is characteristic of the diglossia that exists throughout the Arabic-speaking world.. Although Modern Standard Arabic (MSA) is a unitary language, its pronunciation varies somewhat from country to country and from region to region within a country. The variation in individual "accents" of MSA speakers tends to mirror corresponding variations in the colloquial speech of the speakers in question, but with the distinguishing characteristics moderated somewhat. It is important in descriptions of "Arabic" phonology to distinguish between pronunciation of a given colloquial (spoken) dialect and the pronunciation of MSA by these same speakers. Although they are related, they are not the same. For example, the phoneme that derives from Classical Arabic has many different pronunciations in the modern spoken varieties, e.g., including the proposed original. Speakers whose native variety has either or will use the same pronunciation when speaking MSA. Even speakers from Cairo, whose native Egyptian Arabic has, normally use when speaking MSA. The of Persian Gulf speakers is the only variant pronunciation which isn't found in MSA; is used instead, but may use [j] in MSA for comfortable pronunciation. Another reason of different pronunciations is
influence of colloquial dialects. The differentiation of pronunciation of colloquial dialects is the influence from other languages previously spoken and some still presently spoken in the regions, such as Coptic in Egypt, Berber, Punic, or Phoenician in North Africa, Himyaritic, Modern South Arabian, and Old South Arabian in Yemen and Oman, and Aramaic and Canaanite languages (including Phoenician) in the Levant and Mesopotamia.. Another example: Many colloquial varieties are known for a type of vowel harmony in which the presence of an "emphatic consonant" triggers backed allophones of nearby vowels (especially of the low vowels, which are backed to in these circumstances and very often fronted to in all other circumstances). In many spoken varieties, the backed or "emphatic" vowel allophones spread a fair distance in both directions from the triggering consonant; in some varieties (most notably Egyptian Arabic), the "emphatic" allophones spread throughout the entire word, usually including prefixes and suffixes, even at a distance of several syllables from the triggering consonant. Speakers of colloquial varieties with this vowel harmony tend to introduce it into their MSA pronunciation as well, but usually with a lesser degree of spreading than in the colloquial varieties. (For example, speakers of colloquial varieties with extremely long-distance harmony may allow a moderate, but not extreme, amount of spreading of the harmonic allophones in their MSA speech, while speakers of colloquial varieties with moderate-distance harmony may only harmonize immediately adjacent vowels in MSA.). Vowels.. Modern Standard Arabic has six pure vowels (while most modern dialects have eight pure vowels which includes the long vowels ), with short and corresponding long vowels. There are also two diphthongs: and.. The pronunciation of the vowels differs from speaker to speaker, in a way that tends to reflect the pronunciation of the corresponding colloquial variety. Nonetheless, there are some common trends. Most noticeable is the differing pronunciation of and, which tend towards fronted, or in most situations, but a back in the neighborhood of emphatic consonants. Some accents and dialects, such as those of the Hejaz region, have an open or a central in all situations. The vowel varies towards too. Listen to the final vowel in the recording of "" at the beginning of this article, for example. The point is,
Arabic has only three short vowel phonemes, so those phonemes can have a very wide range of allophones. The vowels and are often affected somewhat in emphatic neighborhoods as well, with generally more back or centralized allophones, but the differences are less great than for the low vowels. The pronunciation of short and tends towards and, respectively, in many dialects.. The definition of both "emphatic" and "neighborhood" vary in ways that reflect (to some extent) corresponding variations in the spoken dialects. Generally, the consonants triggering "emphatic" allophones are the pharyngealized consonants ; ; and, if not followed immediately by. Frequently, the fricatives also trigger emphatic allophones; occasionally also the pharyngeal consonants (the former more than the latter). Many dialects have multiple emphatic allophones of each vowel, depending on the particular nearby consonants. In most MSA accents, emphatic coloring of vowels is limited to vowels immediately adjacent to a triggering consonant, although in some it spreads a bit farther: e.g.,''time';''homeland'; "" 'downtown' (sometimes or similar).. In a non-emphatic environment, the vowel in the diphthong tends to be fronted even more than elsewhere, often pronounced or : hence''sword' but''summer'. However, in accents with no emphatic allophones of (e.g., in the Hejaz), the pronunciation or occurs in all situations.. Consonants.. The phoneme is represented by the Arabic letter'() and has many standard pronunciations. is characteristic of north Algeria, Iraq, and most of the Arabian peninsula but with an allophonic in some positions; occurs in most of the Levant and most of North Africa; and is used in most of Egypt and some regions in Yemen and Oman. Generally this corresponds with the pronunciation in the colloquial dialects. In some regions in Sudan and Yemen, as well as in some Sudanese and Yemeni dialects, it may be either or, representing the original pronunciation of Classical Arabic. Foreign words containing may be transcribed with,,,,, or, mainly depending on the regional spoken variety of Arabic or the commonly diacriticized Arabic letter. In northern Egypt, where the Arabic letter'() is normally pronounced, a separate phoneme, which may be transcribed
with, occurs in a small number of mostly non-Arabic loanwords, e.g., 'jacket'.. () can be pronounced as. In some places of Maghreb it can be also pronounced as.. and () are velar, post-velar, or uvular.. In many varieties, () are epiglottal in Western Asia.. is pronounced as velarized in الله, the name of God, q.e. Allah, when the word follows "a", "ā", "u" or "ū" (after "i" or "ī" it is unvelarized: "bismi l–lāh" ). Some speakers velarize other occurrences of in MSA, in imitation of their spoken dialects.. The emphatic consonant was actually pronounced, or possibly —either way, a highly unusual sound. The medieval Arabs actually termed their language "" 'the language of the Ḍād' (the name of the letter used for this sound), since they thought the sound was unique to their language. (In fact, it also exists in a few other minority Semitic languages, e.g., Mehri.). Arabic has consonants traditionally termed "emphatic" (), which exhibit simultaneous pharyngealization as well as varying degrees of velarization (depending on the region), so they may be written with the "Velarized or pharyngealized" diacritic () as:. This simultaneous articulation is described as "Retracted Tongue Root" by phonologists. In some transcription systems, emphasis is shown by capitalizing the letter, for example, is written ; in others the letter is underlined or has a dot below it, for example,.. Vowels and consonants can be phonologically short or long. Long (geminate) consonants are normally written doubled in Latin transcription (i.e. bb, dd, etc.), reflecting the presence of the Arabic diacritic mark ', which indicates doubled consonants. In actual pronunciation, doubled consonants are held twice as long as short consonants. This consonant lengthening is phonemically contrastive:''he accepted' vs. "" 'he kissed'.. Syllable structure.. Arabic has two kinds of syllables: open syllables (CV) and (CVV)—and closed syllables (CVC), (CVVC) and (CVCC). The syllable types with two morae
(units of time), i.e. CVC and CVV, are termed "heavy syllables", while those with three morae, i.e. CVVC and CVCC, are "superheavy syllables". Superheavy syllables in Classical Arabic occur in only two places: at the end of the sentence (due to pausal pronunciation) and in words such as''hot',''stuff, substance',''they disputed with each other', where a long'occurs before two identical consonants (a former short vowel between the consonants has been lost). (In less formal pronunciations of Modern Standard Arabic, superheavy syllables are common at the end of words or before clitic suffixes such as "" 'us, our', due to the deletion of final short vowels.). In surface pronunciation, every vowel must be preceded by a consonant (which may include the glottal stop ). There are no cases of hiatus within a word (where two vowels occur next to each other, without an intervening consonant). Some words do have an underlying vowel at the beginning, such as the definite article "al-" or words such as''he bought',''meeting'. When actually pronounced, one of three things happens:. Stress.. Word stress is not phonemically contrastive in Standard Arabic. It bears a strong relationship to vowel length. The basic rules for Modern Standard Arabic are:. Examples:' 'book',''writer',''desk',''desks',''library' (but''library' in short pronunciation),'(Modern Standard Arabic) 'they wrote' ='(dialect),'(Modern Standard Arabic) 'they wrote it' ='(dialect),'(Modern Standard Arabic) 'they (dual, fem) wrote','(Modern Standard Arabic) 'I wrote' ='(short form or dialect). Doubled consonants count as two consonants:''magazine', "" "place".. These rules may result in differently stressed syllables when final case endings are pronounced, vs. the normal situation where they are not pronounced, as in the above example of''library' in full pronunciation, but''library' in short pronunciation.. The restriction on final long vowels does not apply to the spoken dialects, where original final long vowels have been shortened and secondary final long vowels have arisen from loss of original final "-hu/hi".. Some dialects have different stress
rules. In the Cairo (Egyptian Arabic) dialect a heavy syllable may not carry stress more than two syllables from the end of a word, hence''school',''Cairo'. This also affects the way that Modern Standard Arabic is pronounced in Egypt. In the Arabic of Sanaa, stress is often retracted:''two houses',''their table',''desks',''sometimes', "" 'their school'. (In this dialect, only syllables with long vowels or diphthongs are considered heavy; in a two-syllable word, the final syllable can be stressed only if the preceding syllable is light; and in longer words, the final syllable cannot be stressed.). Levels of pronunciation.. The final short vowels (e.g., the case endings "-a -i -u" and mood endings "-u -a") are often not pronounced in this language, despite forming part of the formal paradigm of nouns and verbs. The following levels of pronunciation exist:. Full pronunciation with pausa.. This is the most formal level actually used in speech. All endings are pronounced as written, except at the end of an utterance, where the following changes occur:. Formal short pronunciation.. This is a formal level of pronunciation sometimes seen. It is somewhat like pronouncing all words as if they were in pausal position (with influence from the colloquial varieties). The following changes occur:. Informal short pronunciation.. This is the pronunciation used by speakers of Modern Standard Arabic in extemporaneous speech, i.e. when producing new sentences rather than simply reading a prepared text. It is similar to formal short pronunciation except that the rules for dropping final vowels apply "even" when a clitic suffix is added. Basically, short-vowel case and mood endings are never pronounced and certain other changes occur that echo the corresponding colloquial pronunciations. Specifically:. Colloquial varieties.. Vowels.. As mentioned above, many spoken dialects have a process of "emphasis spreading", where the "emphasis" (pharyngealization) of emphatic consonants spreads forward and back through adjacent syllables, pharyngealizing all nearby consonants and triggering the back allophone in all nearby low vowels. The extent of emphasis spreading varies. For example, in Moroccan Arabic, it spreads as far as the first full vowel (i.e. sound derived from a long vowel or diphthong)
on either side; in many Levantine dialects, it spreads indefinitely, but is blocked by any or ; while in Egyptian Arabic, it usually spreads throughout the entire word, including prefixes and suffixes. In Moroccan Arabic, also have emphatic allophones and, respectively.. Unstressed short vowels, especially, are deleted in many contexts. Many sporadic examples of short vowel change have occurred (especially → and interchange ↔). Most Levantine dialects merge short /i u/ into in most contexts (all except directly before a single final consonant). In Moroccan Arabic, on the other hand, short triggers labialization of nearby consonants (especially velar consonants and uvular consonants), and then short /a i u/ all merge into, which is deleted in many contexts. (The labialization plus is sometimes interpreted as an underlying phoneme.) This essentially causes the wholesale loss of the short-long vowel distinction, with the original long vowels remaining as half-long, phonemically, which are used to represent "both" short and long vowels in borrowings from Literary Arabic.. Most spoken dialects have monophthongized original to in most circumstances, including adjacent to emphatic consonants, while keeping them as the original diphthongs in others e.g.. In most of the Moroccan, Algerian and Tunisian (except Sahel and Southeastern) Arabic dialects, they have subsequently merged into original.. Consonants.. In most dialects, there may be more or fewer phonemes than those listed in the chart above. For example, is considered a native phoneme in most Arabic dialects except in Levantine dialects like Syrian or Lebanese where is pronounced and is pronounced. or () is considered a native phoneme in most dialects except in Egyptian and a number of Yemeni and Omani dialects where is pronounced. or and are distinguished in the dialects of Egypt, Sudan, the Levant and the Hejaz, but they have merged as in most dialects of the Arabian Peninsula, Iraq and Tunisia and have merged as in Morocco and Algeria. The usage of non-native and depends on the usage of each speaker but they might be more prevalent in some dialects than others. The Iraqi and Gulf Arabic also has the sound and writes it and with the Persian letters and, as in "plum"; "truffle".. Early in the expansion of Arabic, the separate emphatic phonemes and coalesced into a single
phoneme. Many dialects (such as Egyptian, Levantine, and much of the Maghreb) subsequently lost fricatives, converting into. Most dialects borrow "learned" words from the Standard language using the same pronunciation as for inherited words, but some dialects without interdental fricatives (particularly in Egypt and the Levant) render original in borrowed words as.. Another key distinguishing mark of Arabic dialects is how they render the original velar and uvular plosives, (Proto-Semitic ), and :. Pharyngealization of the emphatic consonants tends to weaken in many of the spoken varieties, and to spread from emphatic consonants to nearby sounds. In addition, the "emphatic" allophone automatically triggers pharyngealization of adjacent sounds in many dialects. As a result, it may difficult or impossible to determine whether a given coronal consonant is phonemically emphatic or not, especially in dialects with long-distance emphasis spreading. (A notable exception is the sounds vs. in Moroccan Arabic, because the former is pronounced as an affricate but the latter is not.). Grammar.. Literary Arabic... Vowels.. As mentioned above, many spoken dialects have a process of "emphasis spreading", where the "emphasis" (pharyngealization) of emphatic consonants spreads forward and back through adjacent syllables, pharyngealizing all nearby consonants and triggering the back allophone in all nearby low vowels. The extent of emphasis spreading varies. For example, in Moroccan Arabic, it spreads as far as the first full vowel (i.e. sound derived from a long vowel or diphthong) on either side; in many Levantine dialects, it spreads indefinitely, but is blocked by any or ; while in Egyptian Arabic, it usually spreads throughout the entire word, including prefixes and suffixes. In Moroccan Arabic, also have emphatic allophones and, respectively.. Unstressed short vowels, especially, are deleted in many contexts. Many sporadic examples of short vowel change have occurred (especially → and interchange ↔). Most Levantine dialects merge short /i u/ into in most contexts (all except directly before a single final consonant). In Moroccan Arabic, on the other hand, short triggers labialization of nearby consonants (especially velar consonants and uvular consonants), and then short /a i u/ all merge into, which

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