Union and Intersection
If A and B are disjoint sets, then
From this, one can show that in general the cardinalities of unions and intersections are related by
Read more about this topic: Cardinality
Famous quotes containing the words union and/or intersection:
“Lets have the Union restored as it was, if we can; but if we cant, Im in favor of the Union as it wasnt.”
—Artemus Ward (18341867)
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—Bill Bryson (b. 1951)