∫ Утверждение Mathlib
rootForm_self_eq_zero_iff
Mathlib.LinearAlgebra.RootSystem.Finite.Nondegenerate
URI: https://scilib.ai/kg/mathlib#RootPairing.rootForm_self_eq_zero_iff
∫ Утверждение Mathlib
Mathlib.LinearAlgebra.RootSystem.Finite.Nondegenerate
URI: https://scilib.ai/kg/mathlib#RootPairing.rootForm_self_eq_zero_iff