Theorems · Theorem · global analysis

extChartAt_image_nhds_mem_nhds_of_boundaryless

∀ {𝕜 : Type u_1} {E : Type u_2} {M : Type u_3} {H : Type u_4} [inst : NontriviallyNormedField 𝕜]
  [inst_1 : NormedAddCommGroup E] [inst_2 : NormedSpace 𝕜 E] [inst_3 : TopologicalSpace H] [inst_4 : TopologicalSpace M]
  {I : ModelWithCorners 𝕜 E H} {s : Set M} [inst_5 : ChartedSpace H M] [I.Boundaryless] {x : M},
  s ∈ nhds x → ↑(extChartAt I x) '' s ∈ nhds (↑(extChartAt I x) x)

Defined in

Mathlib.Geometry.Manifold.IsManifold.ExtChartAt

Cited by

0 results in Mathlib

Foundations

Depth 157 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

NontriviallyNormedFieldNormedAddCommGroupNormedSpaceTopologicalSpaceTopologicalSpaceChartedSpaceModelWithCorners.Boundaryless