Category:Permutation Theory

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This category contains results about Permutation Theory.
Definitions specific to this category can be found in Definitions/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 $S$.


This category has the following 13 subcategories, out of 13 total.