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Erdős·erdos:1209

Erdős Problem 1209

conjecture formal record: mixed source: open 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·Source

AI activity

How grades work
GPT-5.4 Pro

15 Apr 2026·with Enrique Barschkis

Partial result (Lean)

partial A1 V2 F2
Reasoning and sources

Autonomy

AI collaborating with humans

Fidelity

How fidelity is graded

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

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All discussion

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Formal material

Formal statements · 1
Cited proofs · 1
Also known as · 3
  • https://www.erdosproblems.com/1209
  • https://github.com/google-deepmind/formal-conjectures/blob/main/FormalConjectures/ErdosProblems/1209.lean
  • FormalConjectures/ErdosProblems/1209.lean

Cite this record

qed.bot, “Erdős Problem 1209”, https://qed.bot/s/erdos-1209, as of 30 Sep 2026.

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