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

Springs, New York

... average family size is 3.08. In the town the population is spread out with 22.3% under the age of 18, 6.3% from 18 to 24, 31.0% from 25 to 44, 26.9% from 45 to 64, and ...