# Category:Definitions/Involutions

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This category contains definitions related to Involutions in the context of Mapping Theory.

Related results can be found in Category:Involutions.

$f: A \to A$ is an **involution** precisely when:

- $\forall x \in A: \map f {\map f x} = x$

That is:

- $f \circ f = I_A$

where $I_A$ denotes the identity mapping on $A$.

## Pages in category "Definitions/Involutions"

The following 6 pages are in this category, out of 6 total.