# Category:Self-Inverse Elements

This category contains results about Self-Inverse Elements.

Definitions specific to this category can be found in Definitions/Self-Inverse Elements.

$x$ is a **self-inverse element of $\struct {S, \circ}$** if and only if $x \circ x = e$.

## Pages in category "Self-Inverse Elements"

The following 3 pages are in this category, out of 3 total.