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  <title>Mathlib — qed.bot</title>
  <subtitle>Claims, announcements and changes across Mathlib.</subtitle>
  <link href="https://qed.bot/feeds/collections/mathlib.xml" rel="self"/>
  <link href="https://qed.bot/register?collection=Mathlib"/>
  <id>https://qed.bot/feeds/collections/mathlib.xml</id>
  <updated>2026-09-04T00:00:00Z</updated>
  <author><name>qed.bot</name></author>
  <entry>
    <title>Fermat&#39;s Last Theorem — full (Claude)</title>
    <link href="https://qed.bot/s/mathlib-fermatlasttheorem"/>
    <id>urn:qed:2cba2d1d7d11</id>
    <updated>2026-09-04T00:00:00Z</updated>
    <summary>A complete Lean 4 proof of Fermat&#39;s Last Theorem on the standard axioms, deriving Mathlib&#39;s own statement, with the classical inputs proved in the strength the argument needs rather than assumed.. Autonomy A1, evidence V2, fidelity F2.</summary>
  </entry>
  <entry>
    <title>Anthropic: Formalizing Fermat&#39;s Last Theorem</title>
    <link href="https://qed.bot/a/anthropic-2026-09-04"/>
    <id>urn:qed:announcement:anthropic-2026-09-04</id>
    <updated>2026-09-04T00:00:00Z</updated>
    <summary>Claims a complete formalisation of Fermat&#39;s Last Theorem. Disclosure D3: 1 of 1 identified, 1 checkable.</summary>
  </entry>
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