Claude: formalization of Fermat’s Last Theorem

What changed

Reports a complete Lean formalization of an existing proof of Fermat’s Last Theorem.

Scientific scope

Reports a complete Lean formalization of an existing proof of Fermat’s Last Theorem. Scope limitation: Formalization credit remains separate from the mathematical discoveries of Wiles, Taylor and earlier contributors. WRS has not independently replayed it.

Evidence

Assessment uses the catalogue-linked source evidence for the stated contribution. Formalization credit remains separate from the mathematical discoveries of Wiles, Taylor and earlier contributors. WRS has not independently replayed it.

Contributors

• Tianyi Peng · SCIENCE: Named source contributor; exact labor shares are not measured.
• The systems documented in the research record · EXECUTION: Source-reported system assistance within this scope; no provider attestation or independent agency is inferred.

• Anthropic, Formalizing Fermat’s Last Theorem (4 Sep 2026)

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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