Source authenticated

Erdős Problem #346

The problem statement is ambiguous: the limit-exists reading is claimed proved (Lean), while the convergence-from-hypotheses reading was disproved by a Lean-checked construction of Price that the community classes as a variant

Exact FrontierDelta

Prior state unknown→proved

Scope and record

Occurred: Jun 21, 2026

Delta type: SOURCE CLAIM

Assumptions: VibeMathed verification: lean-verified. Publication: announcement. AI contribution: ai-co-developed. Imported under CC BY 4.0.

Canonical aliases: Erdős Problem #346 · Erdős #346 · Problem 346

Confidence: Not scored

Registry verification: lean verified · announcement · candidate

Open the source record ↗

Attribution

VibeMathed
registry · event recorded by

Kenta Kitamura
human · human collaborator

ChatGPT
model · ai model contributor · OpenAI

Codex
model · ai model contributor · OpenAI

Evidence vector

SourceReplayReproducedFormal proofStatement auditExternal checkExpert reviewPeer review

Named evidence

VibeMathed record: Erdős Problem #346

specialist registry · passed

A community screening found the Lean of the variant disproof correct and corresponding to its paper (one typo); the affirmative limit-exists formalization reports standard axioms only. erdosproblems.com still lists the problem open.

Source ↗

Kitamura's Lean formalization

lean artifact · passed

lean-proof link supplied by the VibeMathed registry.

Source ↗

Erdős Problem #346

witness · pending

Primary source named by the VibeMathed record. Presence in this import is not an independent mathematical verification.

Source ↗

Price's disproof of the literal reading

paper · pending

paper link supplied by the VibeMathed registry.