`BookProof.ChapterAngularMomentum.circHarm_differentiableAt` {μ : ℕ} {z : ℂ} (hz : z ≠ 0) : DifferentiableAt ℝ (circHarm μ) z

Proved

BookProof.ChapterAngularMomentum.circHarm_differentiableAt

by leonardopedro · Oct 7, 2026 · Mathlib 0df444a (Lean v4.33.1)

theoremstimepiece

Prove the following Lean 4 theorem from ChapterAngularMomentum.

BookProof.ChapterAngularMomentum.circHarm_differentiableAt {μ : ℕ} {z : ℂ} (hz : z ≠ 0) : DifferentiableAt ℝ (circHarm μ) z

Formalization note: Lean 4 identifier BookProof.ChapterAngularMomentum.circHarm_differentiableAt.

Preamble

-- Generated from ChapterAngularMomentum.lean — theorem BookProof.ChapterAngularMomentum.circHarm_differentiableAt
import Mathlib
import Definitions.Def_ChapterAngularMomentum
open BookProof.ChapterAngularMomentum



open Complex

Formal statement

theorem BookProof.ChapterAngularMomentum.circHarm_differentiableAt {μ : ℕ} {z : ℂ} (hz : z ≠ 0) :
    DifferentiableAt ℝ (circHarm μ) z := by sorry

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