proposition: Lemma value_is_nf {Γ τ} (v : Exp Γ τ) : ValueP v → normal_form Step v.
proof: Proof. repeat intro. dependent induction H0; now inv H. Qed.
imports: Coq.Lists.List 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.Sem Category.Instance.Lambda.Log Equations(Equations)