∫ Утверждение Mathlib
instPartialOrderOpenSubgroup
Mathlib.Topology.Algebra.OpenSubgroup
URI: https://scilib.ai/kg/mathlib#OpenSubgroup.instPartialOrderOpenSubgroup
∫ Утверждение Mathlib
Mathlib.Topology.Algebra.OpenSubgroup
URI: https://scilib.ai/kg/mathlib#OpenSubgroup.instPartialOrderOpenSubgroup