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theorem proved term proof

alphaInv_positive

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formal statement (Lean)

  66theorem alphaInv_positive : 0 < alphaInv := by

proof body

Term-mode proof.

  67  unfold alphaInv
  68  exact mul_pos alpha_seed_positive (Real.exp_pos _)
  69
  70/-- The exponential factor is in (0, 1] since f_gap ≥ 0 (assuming w₈ > 0). -/

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depends on (10)

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