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def definition def or abbrev

alpha_from_phi

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formal statement (Lean)

  24noncomputable def alpha_from_phi : ℝ :=

proof body

Definition body.

  25  (1 - 1 / Constants.phi) / 2
  26
  27/-- ILG lag constant C_lag from RS: C_lag = φ^(-5) ≈ 0.090 -/

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depends on (4)

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