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def definition def or abbrev

beta_running

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formal statement (Lean)

  32noncomputable def beta_running : ℝ := -(phi - 1) / (phi ^ 5)

proof body

Definition body.

  33
  34/-- Numerical bound for beta_running ≈ -0.0557.
  35    Proved using φ ∈ (1.61, 1.62). -/

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