∫ Утверждение Mathlib
map_nhdsWithin_eq
Mathlib.Topology.OpenPartialHomeomorph
URI: https://scilib.ai/kg/mathlib#OpenPartialHomeomorph.IsImage.map_nhdsWithin_eq
∫ Утверждение Mathlib
Mathlib.Topology.OpenPartialHomeomorph
URI: https://scilib.ai/kg/mathlib#OpenPartialHomeomorph.IsImage.map_nhdsWithin_eq