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D.14.8.6 isSubset
Procedure from librarysets.lib (see sets_lib).
- Usage:
- isSubset(N,M) or N<M ; N,M sets
- Return:
- bool, 1 if N is a Subset of M or 0 if not
LIB "sets.lib";
list l =1,2;
list j =1,2,3,4;
Set N=l;
Set M=j;
N;
==> {2; 1}
==> Set with 2 elements
==>
M;
==> {4; 3; 2; 1}
==> Set with 4 elements
==>
N<M;
==> 1
M<N;
==> 0
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