Intersection of Sets
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
Intersection of Sets
the set of elements belonging simultaneously to all sets under consideration. The intersection of the sets A and B is denoted by A∩ B, or AB; the intersection of a finite or infinite number of sets Ak is denoted by
An intersection can be empty, that is, entirely without elements.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.