---
title: "End-of-proof square mathematical notation"
description: "End-of-proof square is a recurring research-paper notation family. Marks that the proof's intended conclusion has been reached and the current proof…"
canonical_url: "https://fanout.sh/labs/math-decoder/symbol/qed"
md_url: "https://fanout.sh/labs/math-decoder/symbol/qed.md"
last_updated: "2026-08-09"
access: "public"
---

# End-of-proof square mathematical notation

End-of-proof square is a recurring research-paper notation family. Marks that the proof's intended conclusion has been reached and the current proof…

## Public overview

End-of-proof square is a recurring research-paper notation family. Marks that the proof's intended conclusion has been reached and the current proof block is complete.

End-of-proof square: Marks that the proof's intended conclusion has been reached and the current proof block is complete. Example: The argument has established its stated conclusion.

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