Problem

erdos:760

True ↔ ∃ c > 0, ∀ (V : Type u_1) [Finite V] (G : SimpleGraph V) (m : ℕ), G.chromaticNumber = ↑m → ∃ H k, ↑k ≤ H.coe.cochromaticNumber ∧ c * ↑m / Real.log ↑m ≤ ↑k

Open Current State

Declared status: proved (Lean)
Formalization: formalized
Subjects: graph theorychromatic number
OEIS: N/A
Sources: source:erdos-ai-contributions-wikisource:erdos-problemssource:formal-conjecturessource:jayyhk-erdos-leansource:plby-lean-proofs
Statement: www.erdosproblems.com

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