# Category:Definitions/Permutation Theory

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

Let $S$ be a set of $n$ elements.

Let $r \in \N: r \le n$.

An $r$-permutation of $S$ is an ordered selection of $r$ elements of $S$.

## Pages in category "Definitions/Permutation Theory"

The following 37 pages are in this category, out of 37 total.