proposition: Lemma eqTrans (T : System) (a b c : Term): SysPrf T (a = b)%fol -> SysPrf T (b = c)%fol -> SysPrf T (a = c)%fol.
proof: Proof. apply (eqTrans LNN). Qed.
imports: Coq(Arith Ensembles List) LibHyps(LibHyps) hydras(MoreLibHyps NewNotations)