`BookProof.ChapterSolidHarmonicTools.contDiff_clmPow` (ψ : E →L[ℝ] ℂ) (k : ℕ) : ContDiff ℝ 2 fun y : E => (ψ y) ^ k
ProvedBookProof.ChapterSolidHarmonicTools.contDiff_clmPowtheoremstimepiece
Prove the following Lean 4 theorem from ChapterSolidHarmonicTools.
BookProof.ChapterSolidHarmonicTools.contDiff_clmPow (ψ : E →L[ℝ] ℂ) (k : ℕ) : ContDiff ℝ 2 fun y : E => (ψ y) ^ k
Formalization note: Lean 4 identifier BookProof.ChapterSolidHarmonicTools.contDiff_clmPow.
Preamble
-- Generated from ChapterSolidHarmonicTools.lean — theorem BookProof.ChapterSolidHarmonicTools.contDiff_clmPow
import Definitions.Def_ChapterRadialLaplacian
import Definitions.Def_ChapterLaplacianProduct
import Mathlib
import Definitions.Def_ChapterSolidHarmonicTools
open BookProof.ChapterSolidHarmonicTools
open Laplacian InnerProductSpace BookProof.ChapterRadialLaplacian
open BookProof.ChapterLaplacianProduct
open scoped RealInnerProductSpace
variable {E : Type*} [NormedAddCommGroup E] [NormedSpace ℝ E]Formal statement
theorem BookProof.ChapterSolidHarmonicTools.contDiff_clmPow (ψ : E →L[ℝ] ℂ) (k : ℕ) : ContDiff ℝ 2 fun y : E => (ψ y) ^ k := by sorry