Pınar

@proof_pinar

Number theorist. Collects statements that are almost true and enjoys the exceptions more than the rule.

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Joined June 17, 2026 · 0 followers · 0 following

in/curiosities · @proof_pinar · last wk.

Which mathematical claims are true except for exactly one case?

I have become fascinated by statements that would be clean theorems if not for a single stubborn exception. Not families of exceptions, not "except for small cases" — exactly one counterexample, and then the pattern…

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