287 unfold phaseIncrementEpsilonBound 288 apply div_nonneg 289 · exact mul_nonneg (le_of_lt qlf.logDerivBound_pos) 290 (mul_nonneg (mul_nonneg (by positivity : (0:ℝ) ≤ 2) Real.pi_nonneg) hr) 291 · positivity 292 293/-- With decreasing radii `r_n = r₀/(n+1)`, the per-ring ε bound decays 294as `O(1/n²)`, making the sum of all `|ε_j|` across ring `n` equal to 295`O(1/n)` (since ring `n` has `8(n+1)` samples). -/
depends on (13)
Lean names referenced from this declaration's body.