12 lines
No EOL
204 B
Prolog
12 lines
No EOL
204 B
Prolog
male(john).
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male(jimmy).
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female(mary).
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parent(john, jimmy).
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parent(mary, jimmy).
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father(X, Y) :- parent(X, Y), male(X).
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mother(X, Y) :- parent(X, Y), female(X).
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:- write(hello),
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nl.
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:- write(hello2). |