theorem corporateProfit_pos {Y Jσ : ℝ} (hY : 0 < Y) (hJσ : 0 < Jσ) : 0 < corporateProfit Y Jσ := by simp only [corporateProfit]; exact div_pos hY hJσ
thesis/CESProofs/Macro/TaxStructure.lean:154
Government Tax Structure (Layer 3 of Macro Extension)