---
tag: KHGAGR73ZM
kind: concept
name: Counterpart theory
sources:
  - wikipedia: en:76765067@r1368301704
    locator: Glossary of logic, section C
    note: adopted
    mention: wikipedia://en/76765067#GBYK
    sections: [Summary]
inventory: [VV7PS9B575]
---

## Summary

A philosophical theory proposed by Lewis that addresses the semantics of modal logic, suggesting that objects in possible worlds have counterparts in other possible worlds.