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Lean 4

Coverage of Lean 4 in the Nexus archive.

Earliest in view: Aug 3 · 12:50 UTCMost recent: Aug 3 · 12:50 UTC

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SCIENCEAug 3 · 12:50 UTCQUARTZ
OpenAI says its next AI model Astra cracked ten long-unsolved math problems for roughly $2,000
OpenAI's next AI model Astra solved ten long-unsolved math problems for approximately $2,000. The company published machine-checkable Lean 4 proofs on GitHub, including the first explicit construction of a non-sofic group.