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HELP IN PROLOG FINDING PATH

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Dec 30, 2010
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HI,I HAVE THESE DATA
flight(Place1,Place2,departure time,Arrival time,flight code,Day)
flight(paris,milano,6,8,ba4733,mo).
flight(milano,london,9,10,ba4733,mo).
flight(london,athens,10,15,ba4733,mo).

i want to find all paths between 2 places for example
?- route(paris,athens,mo,A).

A = [flight(paris,milano,ba4733,8), flight(milano,london,ba4733,10), flight(london,athens,ba4822,15)] ;



also to flight from place1 to place2 needs Day1=Day2 and Arrival time<=departure time

Can anyone help me?
 
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