| M. P. Bonacina and J. Hsiang. On rewrite programs: Semantics and relationsship with PROLOG. Journal of Logic Programming, 14:155--180, 1992. |
....generic answers, even if a constraint cannot further be simplified. This retains some of the power of logic languages like Prolog, where several answers can be given, while avoiding infinitely many answers. Our approach is similar to the ones that related Prolog and TRS computation methods [DJ84,BH92] Example 8. A CHR formulation of the classical Prolog predicate member as a user defined constraint is (6= is built in) r1 member(X, false. r2 member(X, X ] true. r3 member(X, H T] X 6= H member(X,T) Using CHR, the goal member(X, 1,2,3] delays. However Prolog ....
M. P. Bonacina and J. Hsiang. On rewrite programs: Semantics and relationsship with PROLOG. Journal of Logic Programming, 14:155--180, 1992.
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M. P. Bonacina and J. Hsiang. On rewrite programs: Semantics and relationsship with PROLOG. Journal of Logic Programming, 14:155--180, 1992.
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