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Erdős·erdos:671

Erdős 671

problem formal record: unclassified source: open$250 F0 no formal statement

No formal proof attached. Any claim here rests on a write-up or a report.

Fidelity F0: Absent. No formal statement is attached to the result.

analysis·Source

AI activity

How grades work
Codex, GPT-5.5 Pro

22 Jun 2026

Candidate full solution (Lean)

candidate A3 V0 F0
Reasoning and sources

Autonomy

AI standalone; human involvement recorded as non-significant

Claimed on erdosproblems.com

2

Proof claims posted on erdosproblems.com, which says that listing a claim “is no guarantee of proof correctness”. The register records who claims what, with which systems, and links to each claim there. Nobody has examined them, and none counts in the register's totals.

Fidelity

How fidelity is graded

F0 no formal statement. Absent. No formal statement is attached to the result.

Follow and discuss

All discussion

Discussion and bounties for this problem load here.

Something wrong or missing here? Request a correction or add a claim, with its sources.

Formal material

Formal statements · 0

No formal statement located.

Cited proofs · 0

No proof artifact cited by the formal record.

Recorded elsewhere

Compare the registries
  • vibemathed — Erdős Problem #671

    checked·machine-led·their labels: lean-verified, ai-discovered

Also known as · 1
  • https://www.erdosproblems.com/671

Cite this record

qed.bot, “Erdős 671”, https://qed.bot/s/erdos-671, as of 30 Sep 2026.

This record as plain text, with each claim, its grades and its sources.