Theorems · Theorem · global analysis

Manifold.IsSubmersionAt.contMDiffAt

∀ {𝕜 : Type u_1} {E'' : Type u_3} {H : Type u_7} {G : Type u_9} {E : Type u} [inst : NontriviallyNormedField 𝕜]
  [inst_1 : NormedAddCommGroup E] [inst_2 : NormedSpace 𝕜 E] [inst_3 : NormedAddCommGroup E'']
  [inst_4 : NormedSpace 𝕜 E''] [inst_5 : TopologicalSpace H] [inst_6 : TopologicalSpace G] {I : ModelWithCorners 𝕜 E H}
  {J : ModelWithCorners 𝕜 E'' G} {M : Type u_11} {N : Type u_13} [inst_7 : TopologicalSpace M]
  [inst_8 : ChartedSpace H M] [inst_9 : TopologicalSpace N] [inst_10 : ChartedSpace G N] {n : WithTop ℕ∞} {f : M → N}
  {x : M}, Manifold.IsSubmersionAt I J n f x → ContMDiffAt I J n f x

A C^n submersion at x is C^n at x.

Defined in

Mathlib.Geometry.Manifold.Submersion

Cited by

0 results in Mathlib

Foundations

Depth 210 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

NontriviallyNormedFieldNormedAddCommGroupNormedSpaceNormedAddCommGroupNormedSpaceTopologicalSpaceTopologicalSpaceTopologicalSpaceChartedSpaceTopologicalSpaceChartedSpace