∫ Утверждение Mathlib
toSubgroup_injective
Mathlib.Topology.Algebra.Group.ClosedSubgroup
URI: https://scilib.ai/kg/mathlib#ClosedSubgroup.toSubgroup_injective
∫ Утверждение Mathlib
Mathlib.Topology.Algebra.Group.ClosedSubgroup
URI: https://scilib.ai/kg/mathlib#ClosedSubgroup.toSubgroup_injective