Permutations: Difference between revisions

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:- import_module solutions.
:- import_module solutions.


%% permutations(List, Set) is true if List is a permutation of Set:
%% permutationSet(List, Set) is true if List is a permutation of Set:
:- pred permutationSet(list(A)::out,set(A)::in) is nondet.
:- pred permutationSet(list(A)::out,set(A)::in) is nondet.