∀ {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] {s : Set E} {x : E} {n : WithTop ℕ∞} {f : E → F}
  (g : F →L[𝕜] G),
  ContDiffWithinAt 𝕜 n f s x →
    UniqueDiffOn 𝕜 s →
      x ∈ s →
        ∀ {i : ℕ},
          ↑i ≤ n →
            iteratedFDerivWithin 𝕜 i (⇑g ∘ f) s x = g.compContinuousMultilinearMap (iteratedFDerivWithin 𝕜 i f s x)