---
tag: 05RWFKVTJ7
kind: concept
name: Permutation
msc: [05A05]
sources:
  - url: https://en.wikipedia.org/wiki/Permutation
    locator: Definition
same_as:
  wikidata: Q161519
  wikipedia: Permutation
---

## Summary

A permutation of a set is a rearrangement of its elements, that is, a bijection from the set to itself. Permutations are the basic objects of enumerative combinatorics and of the theory of symmetric groups. The node [[permutation|0BQMWCNS8S]] gives the precise definition.