∫ Утверждение Mathlib
two_le_chromaticNumber_of_adj
Mathlib.Combinatorics.SimpleGraph.ConcreteColorings
URI: https://scilib.ai/kg/mathlib#SimpleGraph.two_le_chromaticNumber_of_adj
∫ Утверждение Mathlib
Mathlib.Combinatorics.SimpleGraph.ConcreteColorings
URI: https://scilib.ai/kg/mathlib#SimpleGraph.two_le_chromaticNumber_of_adj