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def definition def or abbrev

phi_rung_time

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formal statement (Lean)

  24def phi_rung_time (N : ℝ) : ℝ := tau0_SI * phi ^ N

proof body

Definition body.

  25
  26/-- The log-base-φ of the timescale ratio: N = log_φ(τ★/τ₀) -/

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