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on-restart-benchmarks/share/minizinc/std/fzn_subgraph_int.mzn
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MiniZinc

predicate fzn_subgraph(int: N, int: E, array[int] of int: from, array[int] of int: to,
array[int] of var bool: ns, array[int] of var bool: es) =
forall(e in 1..E) (
(es[e] -> ns[from[e]]) /\ (es[e] -> ns[to[e]])
);
%-----------------------------------------------------------------------------%