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## Re: [Help-glpk] Intersection of two sets is empty

**From**: |
Andrew Makhorin |

**Subject**: |
Re: [Help-glpk] Intersection of two sets is empty |

**Date**: |
Sun, 07 Jul 2013 16:24:54 +0400 |

>*Is it possible to express a condition based on the intersection of two*
>* sets, the idea is to express if A[i] intersection A[j] is empty then*
>* V[i] = c[j].*
>*i.e {i in I, j in j : A[i] inter A[j] == Empty }: V[i] = c[j]; *
>
>*Any suggestion to do that?*
{i in I, j in j : forall{t in A[i]} (t not in A[j]) }: V[i] = c[j];