structure
definition
def or abbrev
NonlinearConvergenceCert
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formal statement (Lean)
159structure NonlinearConvergenceCert where
160 second_order : ∀ a : ℝ, 0 < a → a < 1 → (a/2)^2 = a^2/4
161 error_goes_to_zero : ∀ C : ℝ, 0 < C →
162 Filter.Tendsto (fun a => C * a ^ 2) (nhds 0) (nhds 0)
163 kappa : rs_kappa = 8 * phi ^ 5
164