NIST

symmetric set difference

(definition)

Definition: Members which are in either set, but not in both. That is, for sets A and B, it is (A - B) ∪ (B - A).

See also difference.

Note: {2, 3, 5} Δ {7, 5} = {2, 3, 7}.

Author: PEB


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Entry modified 17 December 2004.
HTML page formatted Tue May 6 13:48:56 2014.

Cite this as:
Paul E. Black, "symmetric set difference", in Dictionary of Algorithms and Data Structures [online], Vreda Pieterse and Paul E. Black, eds. 17 December 2004. (accessed TODAY) Available from: http://www.nist.gov/dads/HTML/symmetricSetDiff.html