Definition:Range of Relation

Definition
Let $\RR \subseteq S \times T$ be a relation, or (usually) a mapping (which is, of course, itself a relation).

The range of $\RR$, denoted is defined as one of two things, depending on the source.

On it is denoted $\Rng \RR$, but this may be non-standard.

Also see

 * Definition:Domain of Relation
 * Definition:Codomain of Relation
 * Definition:Image of Relation
 * Definition:Preimage