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Erdős·erdos:1021

Erdős Problem 1021

problem formal record: solved source: proved 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.

graph theory·Source

AI activity

How grades work
GPT

21 Jan 2026·supporting task

Full solution (which was previously noted) found

full A1 V1 F2
Reasoning and sources

Autonomy

Secondary contribution: literature search

Fidelity

How fidelity is graded

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

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Formal material

Formal statements · 1
Cited proofs · 2
Also known as · 3
  • https://www.erdosproblems.com/1021
  • https://github.com/google-deepmind/formal-conjectures/blob/main/FormalConjectures/ErdosProblems/1021.lean
  • FormalConjectures/ErdosProblems/1021.lean

Cite this record

qed.bot, “Erdős Problem 1021”, https://qed.bot/s/erdos-1021, as of 30 Sep 2026.

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