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Anthropic's Fermat Proof Is an Autoformalization Milestone
Anthropic's Lean formalization of Fermat's Last Theorem, read for developers: what Claude verified in 11 days and the repo patterns worth copying.
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LEAN
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OpenAI Math Repo: What the Lean Proofs Do and Don't Verify
OpenAI's math repo holds hundreds of model-written manuscripts, some with Lean proofs. What Lean verifies, what it misses, and the lesson for agent output.
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6 min read
OpenAI Publishes Ten Decade-Open Math Proofs, Each Formalized in Lean
OpenAI's Astra model produced results on ten decade-old math problems, including Erdős problems, each with a Lean 4 certificate. What shipped and why.
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