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erdos_918.parts.i

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Lean 4 Statement 
theorem erdos_918.parts.i :
    answer(sorry) ↔ ∃ (V : Type u) (G : SimpleGraph V), #V = ℵ_ 2 ∧ G.chromaticCardinal = ℵ_ 2 ∧
      ∀ (W : Set V) (_ : #W = ℵ₁), (G.induce W).chromaticCardinal ≤ ℵ₀
ID: ErdosProblems__918__erdos_918.parts.i
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