Erdős Problem #623
Resolved (if correct) by an independence result rather than a proof or disproof in ZFC: consistency of the positive answer is equivalent to a measurable cardinal, of the negative to ZFC alone
Exact FrontierDelta
Scope and record
Occurred: Jun 4, 2026
Delta type: SOURCE CLAIM
Assumptions: VibeMathed verification: unreviewed. Publication: announcement. AI contribution: ai-co-developed. Imported under CC BY 4.0.
Canonical aliases: Erdős Problem #623 · Erdős #623 · Problem 623
Confidence: Not scored
Registry verification: unreviewed · announcement · candidate
Attribution
VibeMathed
registry · event recorded by
Sungchul Lee
human · human collaborator
GPT-5.5 Pro
model · ai model contributor · OpenAI
Lineage and corrections
This event attributed to Sungchul Lee
This event attributed to GPT-5.5 Pro