∫ Утверждение Mathlib
instInhabited
Mathlib.Topology.Order.UpperLowerSetTopology
URI: https://scilib.ai/kg/mathlib#Topology.WithUpperSet.instInhabited
∫ Утверждение Mathlib
Mathlib.Topology.Order.UpperLowerSetTopology
URI: https://scilib.ai/kg/mathlib#Topology.WithUpperSet.instInhabited