∫ Утверждение Mathlib
instIsManifoldSubtypeMem
Mathlib.Geometry.Manifold.IsManifold.Basic
URI: https://scilib.ai/kg/mathlib#TopologicalSpace.Opens.instIsManifoldSubtypeMem
∫ Утверждение Mathlib
Mathlib.Geometry.Manifold.IsManifold.Basic
URI: https://scilib.ai/kg/mathlib#TopologicalSpace.Opens.instIsManifoldSubtypeMem