A Claude joke claims Fable 5 disproved a 1939 math conjecture

idavidrein · x · 2026-07-21

A post jokes that LLMs can produce useful output by citing a fake-sounding but detailed claim: Claude Fable 5 supposedly disproved the long-standing Jacobian conjecture from 1939.

The thread frames this as a rebuttal to the idea that LLMs can never be useful, while the attached image shows a “Coffee and Claude time?” interface and a broken content panel, reinforcing the humorous tone.

Related event: Rumors of Claude Fable 5 Disproving Jacobian Conjecture Sparks AI Math Frenzy(73 posts)→

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