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Erdős·erdos:281

Erdős Problem 281

problem formal record: solved source: proved (Lean) F2 declared

No independent check recorded yet. A formal artifact, declaration or published object is attached, but no rebuild of it is recorded here.

Fidelity F2: The statement corpus cites this proof against its own statement.

number theory, covering systems·Source

AI activity

How grades work
GPT-5.2 Pro

17 Jan 2026

Full solution

full A3 V1 F2
Reasoning and sources

Autonomy

AI standalone, with comparable literature existing

Details

literature: 🟢 Davenport and Erdős (1936) + Rogers (in Halberstam-Roth (1966))

literature found on: 18 Jan, 2026

similar?: No

Aristotle, Gemini 3 Flash

19 Jan 2026·supporting task

GPT-5.2 Pro (2026)

full A1 V1 F2
Reasoning and sources

Autonomy

Secondary contribution: formalization

Details

proof to formalize: GPT-5.2 Pro (2026)

Gemini 3 Pro, GPT-5.2 Pro

17 Jan 2026·supporting task

GPT-5.2 Pro (2026)

full A1 V1 F2
Reasoning and sources

Autonomy

Secondary contribution: rewriting

Details

argument to rewrite: GPT-5.2 Pro (2026)

Fidelity

How fidelity is graded

F2 declared. The statement corpus cites this proof against its own statement.

Follow and discuss

All discussion

Discussion and bounties for this problem load here.

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Formal material

Formal statements · 1
Cited proofs · 1

Recorded elsewhere

Compare the registries
  • vibemathed — Erdős Problem #281

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

Also known as · 3
  • https://www.erdosproblems.com/281
  • https://github.com/google-deepmind/formal-conjectures/blob/main/FormalConjectures/ErdosProblems/281.lean
  • FormalConjectures/ErdosProblems/281.lean

Cite this record

qed.bot, “Erdős Problem 281”, https://qed.bot/s/erdos-281, as of 30 Sep 2026.

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