16 lines
207 B
Plaintext
16 lines
207 B
Plaintext
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:- object(space_time,
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extends(space, time)).
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:- public(xyzt/4).
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:- mode(xyzt(?integer, ?integer, ?integer, ?integer), zero_or_one).
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xyzt(X, Y, Z, T) :-
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::xyz(X, Y, Z),
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::t(T).
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:- end_object.
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