---
tag: 0ZNZH0EXFX
kind: concept
name: Inverse element
msc: [08A02]
sources:
  - url: https://en.wikipedia.org/wiki/Inverse_element
    locator: Definitions and basic properties
same_as:
  wikidata: Q338057
  wikipedia: Inverse element
---

## Summary

An inverse of an element undoes the element: their combination gives the identity element.
For example, $-a$ is the inverse of $a$ for addition.