Ill-Posed

bluesky — David Jekel — 8 Oct 2026

Famously, someone in the last year claimed a proof of the Collatz conjecture verified in Lean, which turned out to be wr…

#number-theory #mathematical-verification #proof-formalization

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Famously, someone in the last year claimed a proof of the Collatz conjecture verified in Lean, which turned out to be wrong.

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