theorem adjustmentTimescale_diverges {τ₀ T Tstar : ℝ}
(hτ : 0 < τ₀) (hTs : 0 < Tstar) (hTlt : T < Tstar) :
0 < adjustmentTimescale τ₀ T Tstar := by
simp only [adjustmentTimescale]
apply div_pos hτ
rw [sub_pos, div_lt_one hTs]
exact hTltTheorem 4 and Propositions 5-7, Corollary 1: