theorem lafferMaxRevenue_pos {B₀ η : ℝ} (hB : 0 < B₀) (hη : 0 < η) : 0 < lafferMaxRevenue B₀ η := by simp only [lafferMaxRevenue] exact div_pos hB (by linarith)
thesis/CESProofs/Macro/TaxStructure.lean:221
Government Tax Structure (Layer 3 of Macro Extension)