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D.15.19.3 intersectionSet

Procedure from library sets.lib (see sets_lib).

Usage:
intersectionSet(N,M) or N*M; N,M sets

Return:
Set, the interseection of the sets N and M

Example:
 
LIB "sets.lib";
list l =1,2,3;
list j =2,3,4;
Set N=l;
Set M=j;
N;
==> {3; 2; 1}
==> Set with 3 elements
==> 
M;
==> {4; 3; 2}
==> Set with 3 elements
==> 
N*M;
==> {3; 2}
==> Set with 2 elements
==>