theorem effectiveCurvatureKeff_nonneg (hJ : 2 ≤ J) {ρ : ℝ} (hρ : ρ < 1)
(T Tstar : ℝ) :
0 ≤ effectiveCurvatureKeff J ρ T Tstar := by
simp only [effectiveCurvatureKeff]
apply mul_nonneg
· exact le_of_lt (curvatureK_pos hJ hρ)
· exact le_max_left 0 _Core definitions for the Lean formalization of Paper 2: