prolog/problems/sets/powerset_2/common.py


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id = 134
group = 'sets'
number = 41
visible = True
facts = None

solution = '''\
subset134([], []).
subset134([H|T], [H|T1]) :-
  subset134(T, T1).
subset134([_|T], T1) :-
  subset134(T, T1).

powerset(Set, PowerSet) :-
  findall(S, subset134(Set, S), PowerSet).
'''