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SynAtisLamda

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what are all day number for which bwd, fwd, fare fare is C2, fwd, city city is C1, ? lambda $0 (X4.number) ∧ ∧ forall X1 : City(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ To(X2 ∧ X1) ∧ ∧ forall X3 : Fare(X3) ∧ X3.amount=C2 ∧ Flight_of_Fare(X2 ∧ X3) ∧ ∧ forall X4 : Day_Number(X4) ∧ Flight_on_Day_Number(X4 ∧ X2)

what are all day number day number for which bwd, fwd, fare fare is C2, fwd, city city is C1, ? lambda $0 (X4.number) ∧ ∧ forall X1 : City(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ To(X2 ∧ X1) ∧ ∧ forall X3 : Fare(X3) ∧ X3.amount=C2 ∧ Flight_of_Fare(X2 ∧ X3) ∧ ∧ forall X4 : Day_Number(X4) ∧ Flight_on_Day_Number(X4 ∧ X2)

what are all airline for which bwd, fwd, fare fare is C2, fwd, city city is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : City(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ To(X2 ∧ X1) ∧ ∧ forall X3 : Fare(X3) ∧ X3.amount=C2 ∧ Flight_of_Fare(X2 ∧ X3) ∧ ∧ forall X4 : Airline(X4) ∧ Flight_by_Airline(X4 ∧ X2)

what are all airline airline for which bwd, fwd, fare fare is C2, fwd, city city is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : City(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ To(X2 ∧ X1) ∧ ∧ forall X3 : Fare(X3) ∧ X3.amount=C2 ∧ Flight_of_Fare(X2 ∧ X3) ∧ ∧ forall X4 : Airline(X4) ∧ Flight_by_Airline(X4 ∧ X2)

what are all oneway for which fwd, fare fare is C2, fwd, city city is C1, ? lambda $0 (X4.type) ∧ ∧ forall X1 : City(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ To(X2 ∧ X1) ∧ ∧ forall X3 : Fare(X3) ∧ X3.amount=C2 ∧ Flight_of_Fare(X2 ∧ X3) ∧ ∧ forall X4 : Oneway(X4) ∧ Flight_to_Oneway(X4 ∧ X2)

what are all oneway oneway for which fwd, fare fare is C2, fwd, city city is C1, ? lambda $0 (X4.type) ∧ ∧ forall X1 : City(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ To(X2 ∧ X1) ∧ ∧ forall X3 : Fare(X3) ∧ X3.amount=C2 ∧ Flight_of_Fare(X2 ∧ X3) ∧ ∧ forall X4 : Oneway(X4) ∧ Flight_to_Oneway(X4 ∧ X2)

what are all flight for which fwd, oneway oneway is C2, fwd, city city is C1, ? lambda $0 (X2.type) ∧ ∧ forall X1 : City(X1) ∧ X1.name=C1 ∧ ∧ forall X2 : Flight(X2) ∧ To(X2 ∧ X1) ∧ ∧ forall X3 : Oneway(X3) ∧ X3.type=C2

what are all flight flight for which fwd, oneway oneway is C2, fwd, city city is C1, ? lambda $0 (X2.type) ∧ ∧ forall X1 : City(X1) ∧ X1.name=C1 ∧ ∧ forall X2 : Flight(X2) ∧ To(X2 ∧ X1) ∧ ∧ forall X3 : Oneway(X3) ∧ X3.type=C2

what are all day for which bwd, fwd, oneway oneway is C2, fwd, city city is C1, ? lambda $0 (X4.date) ∧ ∧ forall X1 : City(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ To(X2 ∧ X1) ∧ ∧ forall X3 : Oneway(X3) ∧ X3.type=C2 ∧ ∧ forall X4 : Day(X4) ∧ Flight_on_Day(X4 ∧ X2)

what are all day day for which bwd, fwd, oneway oneway is C2, fwd, city city is C1, ? lambda $0 (X4.date) ∧ ∧ forall X1 : City(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ To(X2 ∧ X1) ∧ ∧ forall X3 : Oneway(X3) ∧ X3.type=C2 ∧ ∧ forall X4 : Day(X4) ∧ Flight_on_Day(X4 ∧ X2)

what are all month for which bwd, fwd, oneway oneway is C2, fwd, city city is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : City(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ To(X2 ∧ X1) ∧ ∧ forall X3 : Oneway(X3) ∧ X3.type=C2 ∧ ∧ forall X4 : Month(X4) ∧ Flight_in_Month(X4 ∧ X2)

what are all month month for which bwd, fwd, oneway oneway is C2, fwd, city city is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : City(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ To(X2 ∧ X1) ∧ ∧ forall X3 : Oneway(X3) ∧ X3.type=C2 ∧ ∧ forall X4 : Month(X4) ∧ Flight_in_Month(X4 ∧ X2)

what are all day number for which bwd, fwd, oneway oneway is C2, fwd, city city is C1, ? lambda $0 (X4.number) ∧ ∧ forall X1 : City(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ To(X2 ∧ X1) ∧ ∧ forall X3 : Oneway(X3) ∧ X3.type=C2 ∧ ∧ forall X4 : Day_Number(X4) ∧ Flight_on_Day_Number(X4 ∧ X2)

what are all day number day number for which bwd, fwd, oneway oneway is C2, fwd, city city is C1, ? lambda $0 (X4.number) ∧ ∧ forall X1 : City(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ To(X2 ∧ X1) ∧ ∧ forall X3 : Oneway(X3) ∧ X3.type=C2 ∧ ∧ forall X4 : Day_Number(X4) ∧ Flight_on_Day_Number(X4 ∧ X2)

what are all airline for which bwd, fwd, oneway oneway is C2, fwd, city city is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : City(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ To(X2 ∧ X1) ∧ ∧ forall X3 : Oneway(X3) ∧ X3.type=C2 ∧ ∧ forall X4 : Airline(X4) ∧ Flight_by_Airline(X4 ∧ X2)

what are all airline airline for which bwd, fwd, oneway oneway is C2, fwd, city city is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : City(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ To(X2 ∧ X1) ∧ ∧ forall X3 : Oneway(X3) ∧ X3.type=C2 ∧ ∧ forall X4 : Airline(X4) ∧ Flight_by_Airline(X4 ∧ X2)

what are all fare for which bwd, fwd, oneway oneway is C2, fwd, city city is C1, ? lambda $0 (X4.amount) ∧ ∧ forall X1 : City(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ To(X2 ∧ X1) ∧ ∧ forall X3 : Oneway(X3) ∧ X3.type=C2 ∧ ∧ forall X4 : Fare(X4) ∧ Fare_of_Flight(X4 ∧ X2)

what are all fare fare for which bwd, fwd, oneway oneway is C2, fwd, city city is C1, ? lambda $0 (X4.amount) ∧ ∧ forall X1 : City(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ To(X2 ∧ X1) ∧ ∧ forall X3 : Oneway(X3) ∧ X3.type=C2 ∧ ∧ forall X4 : Fare(X4) ∧ Fare_of_Flight(X4 ∧ X2)

what are all flight for which fwd, month month is C2, fwd, day day is C1, ? lambda $0 (X2.type) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ forall X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Month(X3) ∧ X3.name=C2 ∧ Month_of_Flight(X2 ∧ X3)

what are all flight flight for which fwd, month month is C2, fwd, day day is C1, ? lambda $0 (X2.type) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ forall X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Month(X3) ∧ X3.name=C2 ∧ Month_of_Flight(X2 ∧ X3)

what are all city for which bwd, fwd, month month is C2, fwd, day day is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Month(X3) ∧ X3.name=C2 ∧ Month_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : City(X4) ∧ From(X4 ∧ X2)

what are all city city for which bwd, fwd, month month is C2, fwd, day day is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Month(X3) ∧ X3.name=C2 ∧ Month_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : City(X4) ∧ From(X4 ∧ X2)

what are all day number for which bwd, fwd, month month is C2, fwd, day day is C1, ? lambda $0 (X4.number) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Month(X3) ∧ X3.name=C2 ∧ Month_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Day_Number(X4) ∧ Flight_on_Day_Number(X4 ∧ X2)

what are all day number day number for which bwd, fwd, month month is C2, fwd, day day is C1, ? lambda $0 (X4.number) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Month(X3) ∧ X3.name=C2 ∧ Month_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Day_Number(X4) ∧ Flight_on_Day_Number(X4 ∧ X2)

what are all airline for which bwd, fwd, month month is C2, fwd, day day is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Month(X3) ∧ X3.name=C2 ∧ Month_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Airline(X4) ∧ Flight_by_Airline(X4 ∧ X2)

what are all airline airline for which bwd, fwd, month month is C2, fwd, day day is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Month(X3) ∧ X3.name=C2 ∧ Month_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Airline(X4) ∧ Flight_by_Airline(X4 ∧ X2)

what are all fare for which bwd, fwd, month month is C2, fwd, day day is C1, ? lambda $0 (X4.amount) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Month(X3) ∧ X3.name=C2 ∧ Month_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Fare(X4) ∧ Fare_of_Flight(X4 ∧ X2)

what are all fare fare for which bwd, fwd, month month is C2, fwd, day day is C1, ? lambda $0 (X4.amount) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Month(X3) ∧ X3.name=C2 ∧ Month_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Fare(X4) ∧ Fare_of_Flight(X4 ∧ X2)

what are all oneway for which fwd, month month is C2, fwd, day day is C1, ? lambda $0 (X4.type) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Month(X3) ∧ X3.name=C2 ∧ Month_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Oneway(X4) ∧ Flight_to_Oneway(X4 ∧ X2)

what are all oneway oneway for which fwd, month month is C2, fwd, day day is C1, ? lambda $0 (X4.type) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Month(X3) ∧ X3.name=C2 ∧ Month_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Oneway(X4) ∧ Flight_to_Oneway(X4 ∧ X2)

what are all flight for which fwd, day number day number is C2, fwd, day day is C1, ? lambda $0 (X2.type) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ forall X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Day_Number(X3) ∧ X3.number=C2 ∧ Day_Number_of_Flight(X2 ∧ X3)

what are all flight flight for which fwd, day number day number is C2, fwd, day day is C1, ? lambda $0 (X2.type) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ forall X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Day_Number(X3) ∧ X3.number=C2 ∧ Day_Number_of_Flight(X2 ∧ X3)

what are all city for which bwd, fwd, day number day number is C2, fwd, day day is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Day_Number(X3) ∧ X3.number=C2 ∧ Day_Number_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : City(X4) ∧ From(X4 ∧ X2)

what are all city city for which bwd, fwd, day number day number is C2, fwd, day day is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Day_Number(X3) ∧ X3.number=C2 ∧ Day_Number_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : City(X4) ∧ From(X4 ∧ X2)

what are all month for which bwd, fwd, day number day number is C2, fwd, day day is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Day_Number(X3) ∧ X3.number=C2 ∧ Day_Number_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Month(X4) ∧ Flight_in_Month(X4 ∧ X2)

what are all month month for which bwd, fwd, day number day number is C2, fwd, day day is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Day_Number(X3) ∧ X3.number=C2 ∧ Day_Number_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Month(X4) ∧ Flight_in_Month(X4 ∧ X2)

what are all airline for which bwd, fwd, day number day number is C2, fwd, day day is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Day_Number(X3) ∧ X3.number=C2 ∧ Day_Number_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Airline(X4) ∧ Flight_by_Airline(X4 ∧ X2)

what are all airline airline for which bwd, fwd, day number day number is C2, fwd, day day is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Day_Number(X3) ∧ X3.number=C2 ∧ Day_Number_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Airline(X4) ∧ Flight_by_Airline(X4 ∧ X2)

what are all fare for which bwd, fwd, day number day number is C2, fwd, day day is C1, ? lambda $0 (X4.amount) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Day_Number(X3) ∧ X3.number=C2 ∧ Day_Number_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Fare(X4) ∧ Fare_of_Flight(X4 ∧ X2)

what are all fare fare for which bwd, fwd, day number day number is C2, fwd, day day is C1, ? lambda $0 (X4.amount) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Day_Number(X3) ∧ X3.number=C2 ∧ Day_Number_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Fare(X4) ∧ Fare_of_Flight(X4 ∧ X2)

what are all oneway for which fwd, day number day number is C2, fwd, day day is C1, ? lambda $0 (X4.type) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Day_Number(X3) ∧ X3.number=C2 ∧ Day_Number_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Oneway(X4) ∧ Flight_to_Oneway(X4 ∧ X2)

what are all oneway oneway for which fwd, day number day number is C2, fwd, day day is C1, ? lambda $0 (X4.type) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Day_Number(X3) ∧ X3.number=C2 ∧ Day_Number_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Oneway(X4) ∧ Flight_to_Oneway(X4 ∧ X2)

what are all flight for which fwd, airline airline is C2, fwd, day day is C1, ? lambda $0 (X2.type) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ forall X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Airline(X3) ∧ X3.name=C2 ∧ Airline_of_Flight(X2 ∧ X3)

what are all flight flight for which fwd, airline airline is C2, fwd, day day is C1, ? lambda $0 (X2.type) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ forall X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Airline(X3) ∧ X3.name=C2 ∧ Airline_of_Flight(X2 ∧ X3)

what are all city for which bwd, fwd, airline airline is C2, fwd, day day is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Airline(X3) ∧ X3.name=C2 ∧ Airline_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : City(X4) ∧ From(X4 ∧ X2)

what are all city city for which bwd, fwd, airline airline is C2, fwd, day day is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Airline(X3) ∧ X3.name=C2 ∧ Airline_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : City(X4) ∧ From(X4 ∧ X2)

what are all month for which bwd, fwd, airline airline is C2, fwd, day day is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Airline(X3) ∧ X3.name=C2 ∧ Airline_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Month(X4) ∧ Flight_in_Month(X4 ∧ X2)

what are all month month for which bwd, fwd, airline airline is C2, fwd, day day is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Airline(X3) ∧ X3.name=C2 ∧ Airline_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Month(X4) ∧ Flight_in_Month(X4 ∧ X2)

what are all day number for which bwd, fwd, airline airline is C2, fwd, day day is C1, ? lambda $0 (X4.number) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Airline(X3) ∧ X3.name=C2 ∧ Airline_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Day_Number(X4) ∧ Flight_on_Day_Number(X4 ∧ X2)

what are all day number day number for which bwd, fwd, airline airline is C2, fwd, day day is C1, ? lambda $0 (X4.number) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Airline(X3) ∧ X3.name=C2 ∧ Airline_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Day_Number(X4) ∧ Flight_on_Day_Number(X4 ∧ X2)

what are all fare for which bwd, fwd, airline airline is C2, fwd, day day is C1, ? lambda $0 (X4.amount) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Airline(X3) ∧ X3.name=C2 ∧ Airline_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Fare(X4) ∧ Fare_of_Flight(X4 ∧ X2)

what are all fare fare for which bwd, fwd, airline airline is C2, fwd, day day is C1, ? lambda $0 (X4.amount) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Airline(X3) ∧ X3.name=C2 ∧ Airline_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Fare(X4) ∧ Fare_of_Flight(X4 ∧ X2)

what are all oneway for which fwd, airline airline is C2, fwd, day day is C1, ? lambda $0 (X4.type) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Airline(X3) ∧ X3.name=C2 ∧ Airline_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Oneway(X4) ∧ Flight_to_Oneway(X4 ∧ X2)

what are all oneway oneway for which fwd, airline airline is C2, fwd, day day is C1, ? lambda $0 (X4.type) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Airline(X3) ∧ X3.name=C2 ∧ Airline_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Oneway(X4) ∧ Flight_to_Oneway(X4 ∧ X2)

what are all flight for which fwd, fare fare is C2, fwd, day day is C1, ? lambda $0 (X2.type) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ forall X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Fare(X3) ∧ X3.amount=C2 ∧ Flight_of_Fare(X2 ∧ X3)

what are all flight flight for which fwd, fare fare is C2, fwd, day day is C1, ? lambda $0 (X2.type) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ forall X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Fare(X3) ∧ X3.amount=C2 ∧ Flight_of_Fare(X2 ∧ X3)

what are all city for which bwd, fwd, fare fare is C2, fwd, day day is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Fare(X3) ∧ X3.amount=C2 ∧ Flight_of_Fare(X2 ∧ X3) ∧ ∧ forall X4 : City(X4) ∧ From(X4 ∧ X2)

what are all city city for which bwd, fwd, fare fare is C2, fwd, day day is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Fare(X3) ∧ X3.amount=C2 ∧ Flight_of_Fare(X2 ∧ X3) ∧ ∧ forall X4 : City(X4) ∧ From(X4 ∧ X2)

what are all month for which bwd, fwd, fare fare is C2, fwd, day day is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Fare(X3) ∧ X3.amount=C2 ∧ Flight_of_Fare(X2 ∧ X3) ∧ ∧ forall X4 : Month(X4) ∧ Flight_in_Month(X4 ∧ X2)

what are all month month for which bwd, fwd, fare fare is C2, fwd, day day is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Fare(X3) ∧ X3.amount=C2 ∧ Flight_of_Fare(X2 ∧ X3) ∧ ∧ forall X4 : Month(X4) ∧ Flight_in_Month(X4 ∧ X2)

what are all day number for which bwd, fwd, fare fare is C2, fwd, day day is C1, ? lambda $0 (X4.number) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Fare(X3) ∧ X3.amount=C2 ∧ Flight_of_Fare(X2 ∧ X3) ∧ ∧ forall X4 : Day_Number(X4) ∧ Flight_on_Day_Number(X4 ∧ X2)

what are all day number day number for which bwd, fwd, fare fare is C2, fwd, day day is C1, ? lambda $0 (X4.number) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Fare(X3) ∧ X3.amount=C2 ∧ Flight_of_Fare(X2 ∧ X3) ∧ ∧ forall X4 : Day_Number(X4) ∧ Flight_on_Day_Number(X4 ∧ X2)

what are all airline for which bwd, fwd, fare fare is C2, fwd, day day is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Fare(X3) ∧ X3.amount=C2 ∧ Flight_of_Fare(X2 ∧ X3) ∧ ∧ forall X4 : Airline(X4) ∧ Flight_by_Airline(X4 ∧ X2)

what are all airline airline for which bwd, fwd, fare fare is C2, fwd, day day is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Fare(X3) ∧ X3.amount=C2 ∧ Flight_of_Fare(X2 ∧ X3) ∧ ∧ forall X4 : Airline(X4) ∧ Flight_by_Airline(X4 ∧ X2)

what are all oneway for which fwd, fare fare is C2, fwd, day day is C1, ? lambda $0 (X4.type) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Fare(X3) ∧ X3.amount=C2 ∧ Flight_of_Fare(X2 ∧ X3) ∧ ∧ forall X4 : Oneway(X4) ∧ Flight_to_Oneway(X4 ∧ X2)

what are all oneway oneway for which fwd, fare fare is C2, fwd, day day is C1, ? lambda $0 (X4.type) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Fare(X3) ∧ X3.amount=C2 ∧ Flight_of_Fare(X2 ∧ X3) ∧ ∧ forall X4 : Oneway(X4) ∧ Flight_to_Oneway(X4 ∧ X2)

what are all flight for which fwd, oneway oneway is C2, fwd, day day is C1, ? lambda $0 (X2.type) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ forall X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Oneway(X3) ∧ X3.type=C2

what are all flight flight for which fwd, oneway oneway is C2, fwd, day day is C1, ? lambda $0 (X2.type) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ forall X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Oneway(X3) ∧ X3.type=C2

what are all city for which bwd, fwd, oneway oneway is C2, fwd, day day is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Oneway(X3) ∧ X3.type=C2 ∧ ∧ forall X4 : City(X4) ∧ From(X4 ∧ X2)

what are all city city for which bwd, fwd, oneway oneway is C2, fwd, day day is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Oneway(X3) ∧ X3.type=C2 ∧ ∧ forall X4 : City(X4) ∧ From(X4 ∧ X2)

what are all month for which bwd, fwd, oneway oneway is C2, fwd, day day is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Oneway(X3) ∧ X3.type=C2 ∧ ∧ forall X4 : Month(X4) ∧ Flight_in_Month(X4 ∧ X2)

what are all month month for which bwd, fwd, oneway oneway is C2, fwd, day day is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Oneway(X3) ∧ X3.type=C2 ∧ ∧ forall X4 : Month(X4) ∧ Flight_in_Month(X4 ∧ X2)

what are all day number for which bwd, fwd, oneway oneway is C2, fwd, day day is C1, ? lambda $0 (X4.number) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Oneway(X3) ∧ X3.type=C2 ∧ ∧ forall X4 : Day_Number(X4) ∧ Flight_on_Day_Number(X4 ∧ X2)

what are all day number day number for which bwd, fwd, oneway oneway is C2, fwd, day day is C1, ? lambda $0 (X4.number) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Oneway(X3) ∧ X3.type=C2 ∧ ∧ forall X4 : Day_Number(X4) ∧ Flight_on_Day_Number(X4 ∧ X2)

what are all airline for which bwd, fwd, oneway oneway is C2, fwd, day day is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Oneway(X3) ∧ X3.type=C2 ∧ ∧ forall X4 : Airline(X4) ∧ Flight_by_Airline(X4 ∧ X2)

what are all airline airline for which bwd, fwd, oneway oneway is C2, fwd, day day is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Oneway(X3) ∧ X3.type=C2 ∧ ∧ forall X4 : Airline(X4) ∧ Flight_by_Airline(X4 ∧ X2)

what are all fare for which bwd, fwd, oneway oneway is C2, fwd, day day is C1, ? lambda $0 (X4.amount) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Oneway(X3) ∧ X3.type=C2 ∧ ∧ forall X4 : Fare(X4) ∧ Fare_of_Flight(X4 ∧ X2)

what are all fare fare for which bwd, fwd, oneway oneway is C2, fwd, day day is C1, ? lambda $0 (X4.amount) ∧ ∧ forall X1 : Day(X1) ∧ X1.date=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Day_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Oneway(X3) ∧ X3.type=C2 ∧ ∧ forall X4 : Fare(X4) ∧ Fare_of_Flight(X4 ∧ X2)

what are all flight for which fwd, day number day number is C2, fwd, month month is C1, ? lambda $0 (X2.type) ∧ ∧ forall X1 : Month(X1) ∧ X1.name=C1 ∧ ∧ forall X2 : Flight(X2) ∧ Month_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Day_Number(X3) ∧ X3.number=C2 ∧ Day_Number_of_Flight(X2 ∧ X3)

what are all flight flight for which fwd, day number day number is C2, fwd, month month is C1, ? lambda $0 (X2.type) ∧ ∧ forall X1 : Month(X1) ∧ X1.name=C1 ∧ ∧ forall X2 : Flight(X2) ∧ Month_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Day_Number(X3) ∧ X3.number=C2 ∧ Day_Number_of_Flight(X2 ∧ X3)

what are all city for which bwd, fwd, day number day number is C2, fwd, month month is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Month(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Month_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Day_Number(X3) ∧ X3.number=C2 ∧ Day_Number_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : City(X4) ∧ From(X4 ∧ X2)

what are all city city for which bwd, fwd, day number day number is C2, fwd, month month is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Month(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Month_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Day_Number(X3) ∧ X3.number=C2 ∧ Day_Number_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : City(X4) ∧ From(X4 ∧ X2)

what are all day for which bwd, fwd, day number day number is C2, fwd, month month is C1, ? lambda $0 (X4.date) ∧ ∧ forall X1 : Month(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Month_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Day_Number(X3) ∧ X3.number=C2 ∧ Day_Number_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Day(X4) ∧ Flight_on_Day(X4 ∧ X2)

what are all day day for which bwd, fwd, day number day number is C2, fwd, month month is C1, ? lambda $0 (X4.date) ∧ ∧ forall X1 : Month(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Month_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Day_Number(X3) ∧ X3.number=C2 ∧ Day_Number_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Day(X4) ∧ Flight_on_Day(X4 ∧ X2)

what are all airline for which bwd, fwd, day number day number is C2, fwd, month month is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Month(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Month_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Day_Number(X3) ∧ X3.number=C2 ∧ Day_Number_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Airline(X4) ∧ Flight_by_Airline(X4 ∧ X2)

what are all airline airline for which bwd, fwd, day number day number is C2, fwd, month month is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Month(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Month_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Day_Number(X3) ∧ X3.number=C2 ∧ Day_Number_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Airline(X4) ∧ Flight_by_Airline(X4 ∧ X2)

what are all fare for which bwd, fwd, day number day number is C2, fwd, month month is C1, ? lambda $0 (X4.amount) ∧ ∧ forall X1 : Month(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Month_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Day_Number(X3) ∧ X3.number=C2 ∧ Day_Number_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Fare(X4) ∧ Fare_of_Flight(X4 ∧ X2)

what are all fare fare for which bwd, fwd, day number day number is C2, fwd, month month is C1, ? lambda $0 (X4.amount) ∧ ∧ forall X1 : Month(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Month_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Day_Number(X3) ∧ X3.number=C2 ∧ Day_Number_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Fare(X4) ∧ Fare_of_Flight(X4 ∧ X2)

what are all oneway for which fwd, day number day number is C2, fwd, month month is C1, ? lambda $0 (X4.type) ∧ ∧ forall X1 : Month(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Month_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Day_Number(X3) ∧ X3.number=C2 ∧ Day_Number_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Oneway(X4) ∧ Flight_to_Oneway(X4 ∧ X2)

what are all oneway oneway for which fwd, day number day number is C2, fwd, month month is C1, ? lambda $0 (X4.type) ∧ ∧ forall X1 : Month(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Month_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Day_Number(X3) ∧ X3.number=C2 ∧ Day_Number_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Oneway(X4) ∧ Flight_to_Oneway(X4 ∧ X2)

what are all flight for which fwd, airline airline is C2, fwd, month month is C1, ? lambda $0 (X2.type) ∧ ∧ forall X1 : Month(X1) ∧ X1.name=C1 ∧ ∧ forall X2 : Flight(X2) ∧ Month_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Airline(X3) ∧ X3.name=C2 ∧ Airline_of_Flight(X2 ∧ X3)

what are all flight flight for which fwd, airline airline is C2, fwd, month month is C1, ? lambda $0 (X2.type) ∧ ∧ forall X1 : Month(X1) ∧ X1.name=C1 ∧ ∧ forall X2 : Flight(X2) ∧ Month_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Airline(X3) ∧ X3.name=C2 ∧ Airline_of_Flight(X2 ∧ X3)

what are all city for which bwd, fwd, airline airline is C2, fwd, month month is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Month(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Month_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Airline(X3) ∧ X3.name=C2 ∧ Airline_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : City(X4) ∧ From(X4 ∧ X2)

what are all city city for which bwd, fwd, airline airline is C2, fwd, month month is C1, ? lambda $0 (X4.name) ∧ ∧ forall X1 : Month(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Month_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Airline(X3) ∧ X3.name=C2 ∧ Airline_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : City(X4) ∧ From(X4 ∧ X2)

what are all day for which bwd, fwd, airline airline is C2, fwd, month month is C1, ? lambda $0 (X4.date) ∧ ∧ forall X1 : Month(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Month_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Airline(X3) ∧ X3.name=C2 ∧ Airline_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Day(X4) ∧ Flight_on_Day(X4 ∧ X2)

what are all day day for which bwd, fwd, airline airline is C2, fwd, month month is C1, ? lambda $0 (X4.date) ∧ ∧ forall X1 : Month(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Month_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Airline(X3) ∧ X3.name=C2 ∧ Airline_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Day(X4) ∧ Flight_on_Day(X4 ∧ X2)

what are all day number for which bwd, fwd, airline airline is C2, fwd, month month is C1, ? lambda $0 (X4.number) ∧ ∧ forall X1 : Month(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Month_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Airline(X3) ∧ X3.name=C2 ∧ Airline_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Day_Number(X4) ∧ Flight_on_Day_Number(X4 ∧ X2)

what are all day number day number for which bwd, fwd, airline airline is C2, fwd, month month is C1, ? lambda $0 (X4.number) ∧ ∧ forall X1 : Month(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Month_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Airline(X3) ∧ X3.name=C2 ∧ Airline_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Day_Number(X4) ∧ Flight_on_Day_Number(X4 ∧ X2)

what are all fare for which bwd, fwd, airline airline is C2, fwd, month month is C1, ? lambda $0 (X4.amount) ∧ ∧ forall X1 : Month(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Month_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Airline(X3) ∧ X3.name=C2 ∧ Airline_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Fare(X4) ∧ Fare_of_Flight(X4 ∧ X2)

what are all fare fare for which bwd, fwd, airline airline is C2, fwd, month month is C1, ? lambda $0 (X4.amount) ∧ ∧ forall X1 : Month(X1) ∧ X1.name=C1 ∧ ∧ exists X2 : Flight(X2) ∧ Month_of_Flight(X2 ∧ X1) ∧ ∧ forall X3 : Airline(X3) ∧ X3.name=C2 ∧ Airline_of_Flight(X2 ∧ X3) ∧ ∧ forall X4 : Fare(X4) ∧ Fare_of_Flight(X4 ∧ X2)