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

List of closed London Underground stations

... Metropolitan Railway, the City and South London Railway and Underground Electric Railways of London) are now closed and, for the most part, abandoned. Aldwych tube ...