Theorems · Theorem · several complex variables

CPolynomialAt.fun_comp

∀ {𝕜 : Type u_1} {E : Type u_2} {F : Type u_3} {G : Type u_4} [inst : NontriviallyNormedField 𝕜]
  [inst_1 : NormedAddCommGroup E] [inst_2 : NormedSpace 𝕜 E] [inst_3 : NormedAddCommGroup F] [inst_4 : NormedSpace 𝕜 F]
  [inst_5 : NormedAddCommGroup G] [inst_6 : NormedSpace 𝕜 G] {g : F → G} {f : E → F} {x : E},
  CPolynomialAt 𝕜 g (f x) → CPolynomialAt 𝕜 f x → CPolynomialAt 𝕜 (fun x => g (f x)) x

Eta-expanded form of CPolynomialAt.comp If two functions g and f are continuously polynomial respectively at f x and x, then g ∘ f is continuously polynomial at x.

Defined in

Mathlib.Analysis.Analytic.Composition

Cited by

0 results in Mathlib

Foundations

Depth 185 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

NontriviallyNormedFieldNormedAddCommGroupNormedSpaceNormedAddCommGroupNormedSpaceNormedAddCommGroupNormedSpace