an·ti·sym·met·ric adjective \ˌan-tē-sə-ˈme-trik, ˌan-ˌtī-\
: relating to or being a relation (as “is a subset of”) that implies equality of any two quantities for which it holds in both directions <the relation R is antisymmetric if aRb and bRa implies a = b>
First Known Use of ANTISYMMETRIC
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