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dekker.one
1%-----------------------------------------------------------------------------%
2% Requires that the array 'x' is in increasing order (duplicates are allowed).
3%-----------------------------------------------------------------------------%
4
5predicate fzn_increasing_int_reif(array[int] of var int: x, var bool: b) =
6 b <-> forall(i in index_set(x) diff { min(index_set(x)) }) (x[i-1] <= x[i]);