theorem single_heir_piketty {r g : ℝ} (hg : -1 < g) : wealthDilutionRatio r g 1 < 1 ↔ r < g := by rw [self_correction_iff hg (by norm_num : 0 < 1)] simp [Nat.cast_one]
thesis/CESProofs/Applications/FairInheritance.lean:253
Fair Inheritance: Taxing Concentration, Not Transfer