Mathlib Map

Theorems · Theorem · manifolds

chart_source_mem_nhds

∀ (H : Type u) {M : Type u_2} [inst : TopologicalSpace H] [inst_1 : TopologicalSpace M] [inst_2 : ChartedSpace H M]
  (x : M), (chartAt H x).source ∈ nhds x
Defined in
Mathlib.Geometry.Manifold.ChartedSpace
Cited by
9 results in Mathlib
Foundations
Depth 60 from the axioms · uses propext, Quot.sound
Assumes
TopologicalSpaceTopologicalSpaceChartedSpace

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

Cites12

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by9

Results whose statement or proof uses this declaration.