Lean vs ZFC: the rules of mathematical proof weren't changed by any vote

jessi_cata · x · 2026-09-22

On the debate over AI-solved math problems: the old rules call for accepting ZFC proofs (acknowledging Lean formalization isn't literally ZFC, but that's not the crux). Her point: some want new rules, others want to keep current ones — and the mathematical community never voted on changing them.

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