theorem escortPartitionZn_zero (x : Fin J → ℝ) (ρ : ℝ) : escortPartitionZn x ρ 0 = escortPartitionZ x ρ := by simp [escortPartitionZn, escortPartitionZ]
thesis/CESProofs/Foundations/CumulantTower.lean:74
The Cumulant Tower: Higher-Order Bridges Between CES and Escort Statistics