---
tag: 0WFCNG0MZC
kind: concept
name: Ordered pair
aliases: [pair]
msc: ["03E20"]
sources:
  - url: https://en.wikipedia.org/wiki/Ordered_pair
    locator: lead section
same_as:
  wikidata: Q191290
  wikipedia: Ordered pair
---

## Summary

An ordered pair is a pair of objects in which the order matters.
Two ordered pairs are equal exactly when their first entries are equal and their second entries are equal.