9 lines
387 B
MiniZinc
9 lines
387 B
MiniZinc
predicate fzn_subgraph_reif(array[int] of $$N: from, array[int] of $$N: to,
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array[$$N] of var bool: ns, array[int] of var bool: es,
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var bool: b) =
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b <-> forall(e in index_set(from)) (
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(es[e] -> ns[from[e]]) /\ (es[e] -> ns[to[e]])
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);
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%-----------------------------------------------------------------------------%
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