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antisymmetric

[an-tee-si-me-trik, an-tahy-] /ˌæn ti sɪˈmɛ trɪk, ˌæn taɪ-/
adjective, Mathematics
1.
noting a relation in which one element's dependence on a second implies that the second element is not dependent on the first, as the relation “greater than.”.
Also, antisymmetrical.
Origin
1920-1925
1920-25; anti- + symmetric
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for anti-symmetrical

antisymmetric

/ˌæntɪsɪˈmɛtrɪk/
adjective
1.
(logic) (of a relation) never holding between a pair of arguments x and y when it holds between y and x except when x = y, as "…is no younger than…" See nonsymmetric
2.
(maths) symmetric except for a change of sign Compare asymmetric, symmetric (sense 1)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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