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def definition def or abbrev

inv_pole_factor

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formal statement (Lean)

  73def inv_pole_factor (alpha_s : ℝ) (N_l : ℕ) : ℝ :=

proof body

Definition body.

  74  1 - K_1 * (alpha_s / Real.pi) +
  75  (K_1 ^ 2 - K_2 N_l) * (alpha_s / Real.pi) ^ 2
  76

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