Encyclopedia > Reflexive relation

Article Content

Reflexive relation

In mathematics, a binary relation R on a set X is reflexive if a is R-related to itself for any a ∈ X. For example, "greater than or equal to" is a reflexive relation but "greater than" is not. All equivalence relations and partial orders are reflexive.

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

North Haven, New York

... 743 people, 337 households, and 209 families residing in the village. The population density is 105.9/km² (274.2/mi²). There are 578 housing units at an average ...