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theorem proved term proof

G_ratio_at_self

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formal statement (Lean)

  77theorem G_ratio_at_self (r : ℝ) (hr : 0 < r) :
  78    G_ratio r r = 1 + abs beta_running := by

proof body

Term-mode proof.

  79  unfold G_ratio
  80  rw [div_self (ne_of_gt hr), Real.one_rpow]
  81  ring
  82
  83/-- G_ratio at r_ref = r is less than 2 (and hence far below 31).
  84    Since |β| < 0.06 < 1, we have 1 + |β| < 2. -/

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depends on (7)

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