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LEAN
All blog posts, tools, and guides about Lean from Developers Digest.
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Anthropic's Fermat Proof Is an Autoformalization Milestone
Anthropic says Claude worked largely autonomously for 11 days to formalize Fermat's Last Theorem in Lean. The developer lesson is less about one theorem and more about verified repo-scale research artifacts.
7 min read
OpenAI Publishes Ten Decade-Open Math Proofs, Each Formalized in Lean
OpenAI's next model, codenamed Astra, produced results on ten problems open for at least a decade - including non-sofic groups and Erdős problems 146, 180, and 183 - with every argument formalized as a Lean certificate.
6 min read
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