proposition: Lemma forallE (T : System) (f : Formula) (v : nat) (t : Term): SysPrf T (allH v, f)%fol -> SysPrf T (substF f v t).
proof: Proof. apply (forallE LNN). Qed.
imports: Coq(Arith Ensembles List) LibHyps(LibHyps) hydras(MoreLibHyps NewNotations)