**Relation**

A set of ordered pairs.

For example, {(1, 2), (3, 4), (1, *a*), (5, *r*)} is a relation. So is the set {(*x*, *y*): *y = x*^{2}}; this is the set of all ordered pairs (*x*, *y*) for which *y = x*^{2}.

**See also**

Copyrights © 2013 & All Rights Reserved by academicteaching.net*homeaboutcontactprivacy and policycookie policytermsRSS*