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kolarski
PrologTutorialNotes
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/*weather(City,Season,Temp).*/
weather(phoenix,hot, summer).
weather(la,warm,summer).
warmer_than(C1, C2) :-
weather(C1, hot, summer),
weather(C2, warm, summer),
write(C1), write(' is warmer then '), write(C2), nl.
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