fourier_add_half_inv_index

∀ {T : ℝ} {n : ℤ}, n ≠ 0 → 0 < T → ∀ (x : AddCircle T), (fourier n) (x + ↑(T / 2 / ↑n)) = -(fourier n) x

For n ≠ 0, a translation by T / 2 / n negates the function fourier n.

Defined in: Mathlib.Analysis.Fourier.AddCircle
Cited by: 1 results in Mathlib
Foundations: Depth 204 from the axioms · uses propext, Classical.choice, Quot.sound

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