Tolerance relation

In mathematics, a tolerance relation is a relation that is reflexive and symmetric. It does not need to be transitive.

External links

Gerasin, S. N., Shlyakhov, V. V., and Yakovlev, S. V. 2008. Set coverings and tolerance relations. Cybernetics and Sys. Anal. 44, 3 (May 2008), 333–340. doi:10.1007/s10559-008-9007-y
Hryniewiecki, K. 1991, Relations of Tolerance

FORMALIZED MATHEMATICS, Vol. 2, No. 1, January–February 1991.

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