def IsStrictlyIncreasing (J : ℕ) (F : AggFun J) : Prop := ∀ (x y : Fin J → ℝ), (∀ j, x j ≤ y j) → (∃ j, x j < y j) → F x < F y
thesis/CESProofs/Foundations/Defs.lean:88
Core definitions for the Lean formalization of Paper 1: