---
title: "Logical not mathematical notation"
description: "Logical not is a recurring research-paper notation family. Reverses a proposition's truth value, turning a true claim false and a false claim true."
canonical_url: "https://fanout.sh/labs/math-decoder/symbol/logical-not"
md_url: "https://fanout.sh/labs/math-decoder/symbol/logical-not.md"
last_updated: "2026-08-09"
access: "public"
---

# Logical not mathematical notation

Logical not is a recurring research-paper notation family. Reverses a proposition's truth value, turning a true claim false and a false claim true.

## Public overview

Logical not: Reverses a proposition's truth value, turning a true claim false and a false claim true. Example: The statement says x is not positive.

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