Singular Manual: intersectionSet

| #### D.14.8.3 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
    ==>

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