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