Theorems · Theorem · global analysis

IsLocalDiffeomorphAt.mdifferentiableAt

∀ {𝕜 : Type u_1} [inst : NontriviallyNormedField 𝕜] {E : Type u_2} [inst_1 : NormedAddCommGroup E]
  [inst_2 : NormedSpace 𝕜 E] {F : Type u_3} [inst_3 : NormedAddCommGroup F] [inst_4 : NormedSpace 𝕜 F] {H₁ : Type u_5}
  [inst_5 : TopologicalSpace H₁] {H₂ : Type u_6} [inst_6 : TopologicalSpace H₂] {I : ModelWithCorners 𝕜 E H₁}
  {J : ModelWithCorners 𝕜 F H₂} {M : Type u_8} [inst_7 : TopologicalSpace M] [inst_8 : ChartedSpace H₁ M] {N : Type u_9}
  [inst_9 : TopologicalSpace N] [inst_10 : ChartedSpace H₂ N] {n : WithTop ℕ∞} {f : M → N} {x : M},
  IsLocalDiffeomorphAt I J n f x → n ≠ 0 → MDiffAt f x

A local diffeomorphism at x is differentiable at x.

Defined in

Mathlib.Geometry.Manifold.LocalDiffeomorph

Cited by

2 results in Mathlib

Foundations

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

Assumes

NontriviallyNormedFieldNormedAddCommGroupNormedSpaceNormedAddCommGroupNormedSpaceTopologicalSpaceTopologicalSpaceTopologicalSpaceChartedSpaceTopologicalSpaceChartedSpace