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structure definition def or abbrev

TwoLoopAlphaSCert

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formal statement (Lean)

 123structure TwoLoopAlphaSCert where
 124  /-- One-loop coefficient is positive at N_f = 5. -/
 125  b0_at5_pos : 0 < b0 5
 126  /-- Two-loop coefficient is positive at N_f = 5. -/
 127  b1_at5_pos : 0 < b1 5
 128  /-- The running formula reduces to identity at the anchor scale. -/
 129  reduces_at_anchor : ∀ (alpha_0 : ℝ) (N_f : ℕ) (mu_0_GeV : ℝ),
 130      0 < mu_0_GeV → alpha_s_two_loop alpha_0 N_f mu_0_GeV mu_0_GeV = alpha_0
 131

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