determines if one set is a subset of another
b = subset_of(set1,set2)
set
%T (true) or %F (false)
%T
%F
The function subset_of returns true (%T) if the set set1 is a subset of the set set2 and false (%F) if it is not.
subset_of
set1
set2
set1=define_set("a","c") set2=define_set("a","b","c") subset_of(set1,set2) subset_of(set2,set1)