---
tag: 0ME21QN125
kind: concept
name: Symmetric difference
msc: ["03E20"]
sources:
  - url: https://en.wikipedia.org/wiki/Symmetric_difference
    locator: lead section
same_as:
  wikidata: Q1147242
  wikipedia: Symmetric difference
---

## Summary

The symmetric difference of two sets is the set of the objects that are elements of exactly one of the two sets.