∫ Утверждение Mathlib
sumEmpty_toEquiv
Mathlib.Geometry.Manifold.Diffeomorph
URI: https://scilib.ai/kg/mathlib#Diffeomorph.sumEmpty_toEquiv
∫ Утверждение Mathlib
Mathlib.Geometry.Manifold.Diffeomorph
URI: https://scilib.ai/kg/mathlib#Diffeomorph.sumEmpty_toEquiv