theorem threshold_lt_half {ρ : ℝ} (hρ : 1 < ρ) : stabilityThreshold ρ < 1 / 2 := by unfold stabilityThreshold rw [div_lt_div_iff₀ (by linarith : (0:ℝ) < 2 * ρ) (by norm_num : (0:ℝ) < 2)] nlinarith
thesis/CESProofs/CurvatureRoles/GameTheory.lean:223
Multi-Agent CES Game Theory (Gap #14)