---
tag: ZRZQ7RACBQ
kind: concept
name: Exclusion negation
sources:
  - wikipedia: en:76765067@r1368301704
    locator: Glossary of logic, section E
    note: adopted
    mention: wikipedia://en/76765067#L0ZA
    sections: [Summary]
inventory: [BX6ZQ6JKR4]
---

## Summary

In three-valued logic, form of negation that strictly excludes the possibility of something being true, as opposed to constructive negation which asserts the truth of an opposite proposition.