def
definition
def or abbrev
neutralityScore
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51def neutralityScore (w : ℕ → ℝ) (t0 : ℕ) : ℝ :=
proof body
Definition body.
52 (Finset.range 8).sum (fun k => w (t0 + k))
53
54/- Pitch slope proxy: multiplicative growth per full turn (Δθ = 2π).
55 For r(θ)=r0·φ^{κ θ/(2π)}, the per-turn ratio equals φ^{κ}. -/