fact: Definition SN {Γ τ} : Γ ⊢ τ → Type := ExpP (@halts Γ).
imports: Category.Lib Category.Instance.Lambda.Ltac Category.Instance.Lambda.Ty Category.Instance.Lambda.Exp Category.Instance.Lambda.Value Category.Instance.Lambda.Ren Category.Instance.Lambda.Sub Category.Instance.Lambda.Log Category.Instance.Lambda.Sem Category.Instance.Lambda.Multi Category.Instance.Lambda.Sound Category.Instance.Lambda.Step Equations(Equations)