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Anthropic says Claude worked "largely autonomously" over 11 days to formalize the proof of Fermat's Last Theorem in the Lean programming language (Anthropic)

This story is from 2026-09-04. It is preserved in the archive; the latest stories are on the live feed.

Anthropic : Anthropic says Claude worked largely autonomously over 11 days to formalize the proof of Fermat's Last Theorem in the Lean programming language We are sharing the first complete computer-checked proof of Fermat's Last Theorem. Claude worked largely autonomously over 11 days

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Timeline · 4 reports

  1. 2026-09-05 00:41 · SiliconANGLE AI
    Anthropic uses Claude to formalize proof of Fermat’s Last Theorem
  2. 2026-09-04 20:35 · Techmeme
    Anthropic says Claude worked "largely autonomously" over 11 days to formalize the proof of Fermat's Last Theorem in the Lean programming language (Anthropic)
  3. 2026-09-04 18:50 · AlphaSignal
    Anthropic's Claude Formally Proved Fermat's Last Theorem in 11 Days
  4. 2026-09-04 18:42 · Hacker News Front Page
    Formalizing Fermat's Last Theorem

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