theorem bridgeRatio_pos {ρ : ℝ} (hρ0 : 0 < ρ) (hρ1 : ρ < 1) : 0 < bridgeRatio ρ := by simp only [bridgeRatio] apply div_pos · linarith · positivity
thesis/CESProofs/Foundations/InformationGeometry.lean:367
Information Geometry of CES: