theorem planar_crosses_sooner {p₀ p_d τ α₀ : ℝ}
(hp₀ : 0 < p₀) (hpdτ : 0 < p_d + τ)
(hα₀ : 0 < α₀) (hexpensive : p_d + τ < p₀) :
crossingProduction p₀ p_d τ (geometricLearningRate 2 α₀) <
crossingProduction p₀ p_d τ (geometricLearningRate 1 α₀) :=
crossingProduction_decreasing_in_beta hp₀ hpdτ
(by simp [geometricLearningRate]; linarith)
(by simp [geometricLearningRate]; linarith)
(planar_learns_faster hα₀) hexpensiveGreen Energy Transition Extension