proposition: Lemma gpaco6_final clo r rg: (r \6/ paco6 gf rg) <6= gpaco6 clo r rg.
proof: Proof. intros. destruct PR. apply gpaco6_base, H. econstructor. apply rclo6_base. left. eapply paco6_mon_gen. apply H. - intros. eapply gf_mon. apply PR. intros. apply rclo6_base. apply PR0. - intros. left. apply PR. Qed.
imports: Program.Basics Paco(paco6 pacotac)