Erdős Problem #671
Both parts claimed answered affirmatively, with a Lean formalization; two proof claims are filed on erdosproblems.com but the problem is still listed open
Exact FrontierDelta
Scope and record
Occurred: Jun 22, 2026
Delta type: SOURCE CLAIM
Assumptions: VibeMathed verification: lean-verified. Publication: announcement. AI contribution: ai-discovered. Imported under CC BY 4.0.
Canonical aliases: Erdős Problem #671 · Erdős #671 · Problem 671
Confidence: Not scored
Registry verification: lean verified · announcement · candidate
Attribution
VibeMathed
registry · event recorded by
Liam Price
human · human collaborator
GPT-5.5 Pro
model · ai model contributor · OpenAI
Codex
model · ai model contributor · OpenAI
Lineage and corrections
This event attributed to Liam Price
This event attributed to Codex
This event attributed to GPT-5.5 Pro