AI formalizes 11 unsolved math problems in 3 weeks; predicts 95% of new papers formalizable within a day by 2027

RexDouglass · x · 2026-08-14

Researcher Vasily Ilin reports solving 11 previously unsolved LeanEval problems in three weeks using AI, including Green-Tao theorem, Morley's categoricity theorem, and Mihăilescu's theorem, with the longest taking 33 hours. He predicts that by end of 2027, 95% of new math papers can be formalized within a day, requiring a mathematical library 100x larger than Mathlib, calling it a conservative estimate.

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