fact: Definition halts {Γ τ} (e : Exp Γ τ) : Type := ∃ e', e --->* e' ∧ ValueP e'.
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)