superset

(definition)

Definition: A set S₁ is a superset of another set S₂ if every element in S₂ is in S₁. S₁ may have elements which are not in S₂.

See also subset.

Note: If S₁ is a superset of S₂, S₂ is a subset of S₁.

Author: PEB

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Entry modified 17 December 2004.
HTML page formatted Fri Mar 25 16:20:35 2011.

Cite this as:
Paul E. Black, "superset", in Dictionary of Algorithms and Data Structures [online], Paul E. Black, ed., U.S. National Institute of Standards and Technology. 17 December 2004. (accessed TODAY) Available from: http://www.nist.gov/dads/HTML/superset.html