def AxiomA1_LinearPayoff (_Φ : (Fin J → ℝ) → (Fin J → ℝ) → ℝ) : Prop := ∀ (_p _ε : Fin J → ℝ), -- The payoff component of Φ is Σ pⱼ εⱼ True -- structural axiom
thesis/CESProofs/Potential/CESPotential.lean:34
Theorem 3: CES Potential Uniqueness (Paper 2, Section 3.2)