# coding=utf-8 name = 'is_subset/2' slug = 'check if one set is a subset of another' description = '''\

is_subset(S1, S2): the set S1 is a subset of S2.

?- is_subset([2,1,3,5,0], [3,2,1,4,5,9]).
  false.
?- is_subset([2,1,3,5], [3,2,1,4,5,9]).
  true.
''' hint = {}