proposition: Lemma gpaco7_final clo r rg: (r \7/ paco7 gf rg) <7= gpaco7 clo r rg.
proof: Proof. intros. destruct PR. apply gpaco7_base, H. econstructor. apply rclo7_base. left. eapply paco7_mon_gen. apply H. - intros. eapply gf_mon. apply PR. intros. apply rclo7_base. apply PR0. - intros. left. apply PR. Qed.
imports: Program.Basics Paco(paco7 pacotac)