proposition: Lemma rclo9_wcompat clo (COM: wcompatible9 clo): wcompatible9 (rclo9 clo).
proof: Proof. econstructor. - apply rclo9_mon. - intros. induction PR. + eapply gf_mon. apply IN. intros. apply gpaco9_base. apply PR. + eapply gf_mon. * eapply COM. eapply COM. apply IN. apply H. * intros. eapply gpaco9_gupaco. apply gf_mon. eapply gupaco9_mon_gen; intros; [apply PR|apply gf_mon|apply PR0| |apply PR0]. apply rclo9_clo_base, PR0. Qed.
imports: Program.Basics Paco(paco9 pacotac)