Claim in Erdős problems that formal-conjectures marks solved
A published paper or arXiv preprint answers the main question of Erdős Problem #968 (theorem erdos_968 in formal-conjectures) in full (proof, disproof, or the exact value asked for) with no hypotheses beyond the problem's own.
Does the set `{n | u n < u (n+1)}` have positive lower density? Yes. This was proved by an internal OpenAI model in September 2026 [OAI26a]; see the linked Lean proof.
Verdict: no verdict yet
Evidence for
None yet.
Evidence against
None yet.