---
tag: K2RT7E6WNX
kind: concept
name: Pre-ordering
sources:
  - wikipedia: en:43580500@r1360947732
    locator: Glossary of set theory, section P
    note: adopted
    mention: wikipedia://en/43580500#QXYD
    sections: [Summary]
inventory: [GGFAH39MEZ]
---

## Summary

A relation that is reflexive and transitive but not necessarily antisymmetric, allowing for the comparison of elements in a set.