# Definition:Symmetry

## Disambiguation

This page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.

Symmetry may refer to:

$\map f {x_1, x_2, \dotsc, x_n} = \map f {x_{\map \pi 1}, x_{\map \pi 2}, \dotsc x_{\map \pi n} }$ for all permuations $\pi$ on $\set {1, 2, \dotsc n}$

## Linguistic Note

The word symmetry comes from Greek συμμετρεῖν (symmetría) meaning measure together.