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theorem proved term proof

interpolation_cost_zero_at_integer

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formal statement (Lean)

  46theorem interpolation_cost_zero_at_integer (n : ℤ) :
  47    interpolation_cost (n : ℝ) = 0 := by

proof body

Term-mode proof.

  48  unfold interpolation_cost
  49  simp [Int.fract_intCast]
  50
  51/-! ## 3. Resonance-Aware Weight Kernel -/
  52
  53/-- C_lag = φ⁻⁵ ≈ 0.09 — the RS-derived lag coupling. -/

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