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Erdős·erdos:1190

Erdős Problem 1190

problem formal record: solved source: solved (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-5.4 Pro

23 Apr 2026·with Boon Suan Ho

Full solution

full A1 V1 F2
Reasoning and sources

Autonomy

AI collaborating with humans

GPT-5.5 Pro

30 Apr 2026·with Przemek Chojecki

Candidate full solution

candidate A1 V0 F2
Reasoning and sources

Autonomy

AI collaborating with humans

Unspecified

14 May 2026·supporting task

Boon Suan Ho and GPT-5.4 Pro (2026)

full A1 V1 F2
Reasoning and sources

Autonomy

Secondary contribution: formalization

Details

proof to formalize: Boon Suan Ho and GPT-5.4 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 #1190

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

Also known as · 3
  • https://www.erdosproblems.com/1190
  • https://github.com/google-deepmind/formal-conjectures/blob/main/FormalConjectures/ErdosProblems/1190.lean
  • FormalConjectures/ErdosProblems/1190.lean

Cite this record

qed.bot, “Erdős Problem 1190”, https://qed.bot/s/erdos-1190, as of 30 Sep 2026.

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