Claim: a Lean formalization 'proves' the Exponential Time Hypothesis is false

akbirthko · x · 2026-10-27

A circulating claim shows a Lean formalization scope statement asserting the Exponential Time Hypothesis is false: Lean allegedly proves a deterministic machine counts satisfying assignments of canonically encoded k-CNF in subexponential time 2^Ok(n·loglog n²/√logn), with a SubexponentialSAT.lean comparator. The poster jokes it would be funny if Knuth is wrong and P vs NP gets a constructive proof. Such claims have historically never held up — treat as a probable P vs NP stunt, though newsworthy amid the buzz.

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