Anthropic uses Claude to formalize Fermat's Last Theorem

Claude completed the first machine-verified proof of Fermat's Last Theorem in Lean, generating over 13 million lines of code.

• The formalization is the largest Lean proof ever written.
• The code machine-verifies Andrew Wiles' 1995 proof along with over 29,000 required supporting theorems.
• Anthropic made the complete formal proof available on GitHub.

Mathematicians gain automated verification for one of mathematics' cornerstone proofs alongside 29,000 newly formalized lemmas in Lean.

Sources

• Anthropic: Anthropic uses Claude to formalize Fermat's Last Theorem

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