# Moving Sofa Problem

A statement in qed.bot, the register of claims of AI work in mathematics. The register grades the evidence attached to each claim; it never rules on whether a proof is correct.

- Identifier: wikipedia:MovingSofa
- Collection: Wikipedia
- Page: https://qed.bot/s/wikipedia-movingsofa
- Formal record: mixed
- Machine-checked: no independent check has verified it
- Fidelity F2: The correspondence is declared through an alignment table and written divergences.
- Source: https://github.com/google-deepmind/formal-conjectures/blob/main/FormalConjectures/Wikipedia/MovingSofa.lean

## AI claims

No AI contribution is recorded against this statement.

## Formal statements

- FormalConjectures/Wikipedia/MovingSofa.lean, https://github.com/google-deepmind/formal-conjectures/blob/main/FormalConjectures/Wikipedia/MovingSofa.lean

Cite as: qed.bot, "Moving Sofa Problem", https://qed.bot/s/wikipedia-movingsofa, as of 30 Sep 2026. The register's data is published under CC BY 4.0: https://creativecommons.org/licenses/by/4.0/