∫ Утверждение Mathlib
unop_injective
Mathlib.Algebra.Group.Subgroup.MulOpposite
URI: https://scilib.ai/kg/mathlib#Subgroup.unop_injective
∫ Утверждение Mathlib
Mathlib.Algebra.Group.Subgroup.MulOpposite
URI: https://scilib.ai/kg/mathlib#Subgroup.unop_injective