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27 lines
596 B
Mathematica
27 lines
596 B
Mathematica
%---------------------------------------------------------------------------%
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% vim: ts=4 sw=4 et ft=mercury
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%---------------------------------------------------------------------------%
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:- module semidet_disj.
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:- interface.
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:- pred p(int::in) is semidet.
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:- implementation.
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:- pred q(int::in) is semidet.
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:- pragma external_pred(q/1).
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:- pred r(int::in) is semidet.
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:- pragma external_pred(r/1).
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p(X) :-
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( q(X)
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; r(X)
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).
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:- pragma foreign_code("Java", "
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private static boolean q_1_p_0(int x) { return false; }
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private static boolean r_1_p_0(int x) { return false; }
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").
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