---
tag: HQZQHC2H44
kind: concept
name: Qed
sources:
  - wikipedia: en:73634@r1376316324
    locator: Glossary of mathematical symbols, section Symbols that do not belong to formulas
    note: adopted
    mention: wikipedia://en/73634#JK8E
    sections: [Summary]
inventory: [JFR71Q639T]
---

## Summary

Used for marking the end of a proof and separating it from the current text. The initialism Q.E.D. or QED (quod erat demonstrandum, "as was to be shown") is often used for the same purpose, either in its upper-case form or in lower case.