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def definition def or abbrev

r_ref_exact

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formal statement (Lean)

 207noncomputable def r_ref_exact (r target : ℝ) : ℝ :=

proof body

Definition body.

 208  r * ((target - 1) / abs beta_running) ^ (1 / beta_running)
 209
 210/-- r_ref_exact is positive when r > 0 and target > 1. -/

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