True ↔ ∀ r ≥ 4, ∀ k ≥ 2, ∃ f, ∀ (V : Type u) (G : SimpleGraph V), Nonempty V → ↑f ≤ G.chromaticNumber → ∃ H, H.coe.girth ≥ r ∧ H.coe.chromaticNumber ≥ ↑k