(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
If you have suggestions, corrections, or comments, please get in touch with Paul Black.
Entry modified 17 December 2004.
HTML page formatted Mon Feb 2 13:10:40 2015.
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