proposition: Lemma rclo9_compat clo (COM: compatible9 clo): compatible9 (rclo9 clo).
proof: Proof. econstructor. - apply rclo9_mon. - intros. induction PR. + eapply gf_mon. apply IN. intros. eapply rclo9_base. apply PR. + eapply gf_mon. * eapply COM. eapply COM. apply IN. apply H. * intros. eapply rclo9_clo. apply PR. Qed.
imports: Program.Basics Paco(paco9 pacotac)