Theorems · Theorem · global analysis

Manifold.IsImmersionAt.congr_of_eventuallyEq

∀ {𝕜 : Type u_1} [inst : NontriviallyNormedField 𝕜] {E : Type u_2} {E'' : Type u} [inst_1 : NormedAddCommGroup E]
  [inst_2 : NormedSpace 𝕜 E] [inst_3 : NormedAddCommGroup E''] [inst_4 : NormedSpace 𝕜 E''] {H : Type u_7}
  [inst_5 : TopologicalSpace H] {G : Type u_9} [inst_6 : TopologicalSpace G] {I : ModelWithCorners 𝕜 E H}
  {J : ModelWithCorners 𝕜 E'' G} {M : Type u_11} [inst_7 : TopologicalSpace M] [inst_8 : ChartedSpace H M]
  {N : Type u_13} [inst_9 : TopologicalSpace N] [inst_10 : ChartedSpace G N] {n : WithTop ℕ∞} {f g : M → N} {x : M},
  Manifold.IsImmersionAt I J n f x → f =ᶠ[nhds x] g → Manifold.IsImmersionAt I J n g x

If f is an immersion at x and g = f on some neighbourhood of x, then g is an immersion at x.

Defined in

Mathlib.Geometry.Manifold.Immersion

Cited by

1 results in Mathlib

Foundations

Depth 208 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

NontriviallyNormedFieldNormedAddCommGroupNormedSpaceNormedAddCommGroupNormedSpaceTopologicalSpaceTopologicalSpaceTopologicalSpaceChartedSpaceTopologicalSpaceChartedSpace