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Reflexivity |
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Reflexivity
the property of a binary (two-place, two-term) relation that expresses the fact that the relation holds pairs of objects with identical components—that is, that the relation holds between an object and its “mirror image.” In other words, a relation R is said to be reflexive if for any object x from its domain of definition, xRx is satisfied. The most important typical examples of reflexive relations are relations of the equality type—such as identity, equivalence, and similarity—(because any object is equal to itself) and the relations ≥ and ≤ of nonstrict order (because no object is less or greater than itself). [22–152–3; updated] Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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