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subsets(Set,ZZ) -- produce all the subsets
Synopsis
Function:
subsets
Description
subsets(s,j)
-- yields a list of those subsets of the set
s
that have
j
elements.
i1 : subsets(set {a,b,c},2) o1 = {set {a, b}, set {a, c}, set {b, c}} o1 : List