∫ Утверждение Mathlib
instCompletelyNormalSpaceOfIsLowerSet
Mathlib.Topology.Separation.LinearUpperLowerSetTopology
URI: https://scilib.ai/kg/mathlib#instCompletelyNormalSpaceOfIsLowerSet
∫ Утверждение Mathlib
Mathlib.Topology.Separation.LinearUpperLowerSetTopology
URI: https://scilib.ai/kg/mathlib#instCompletelyNormalSpaceOfIsLowerSet