Erdős·erdos:63

Erdős Problem 63

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.

graph theory, chromatic number, cycles·Source

AI activity

No AI contribution recorded against this statement.

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

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Formal statements · 1

FormalConjectures/ErdosProblems/63.lean
1 declarations, 1 unproved goals·research solved

Cited proofs · 1

Also known as · 3

https://www.erdosproblems.com/63
https://github.com/google-deepmind/formal-conjectures/blob/main/FormalConjectures/ErdosProblems/63.lean
FormalConjectures/ErdosProblems/63.lean

qed.bot, “Erdős Problem 63”, https://qed.bot/s/erdos-63, as of 30 Sep 2026.

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