# Category:Definitions/Bijections

This category contains definitions related to Bijections.
Related results can be found in Category:Bijections.

A mapping $f: S \to T$ is a bijection if and only if both:

$(1): \quad f$ is an injection

and:

$(2): \quad f$ is a surjection.

## Pages in category "Definitions/Bijections"

The following 12 pages are in this category, out of 12 total.