---
tag: QX8THXB8RV
kind: concept
name: Non-alethic modal logic
sources:
  - wikipedia: en:76765067@r1368301704
    locator: Glossary of logic, section N
    note: adopted
    mention: wikipedia://en/76765067#0NXW
    sections: [Summary]
inventory: [BWKMMVKFJM]
---

## Summary

A form of modal logic that deals with modes of truth beyond the alethic modes of necessity and possibility, such as deontic (duty and permission) or epistemic (knowledge and belief) modalities.