proposition: Lemma rclo12_compat clo (COM: compatible12 clo): compatible12 (rclo12 clo).
proof: Proof. econstructor. - apply rclo12_mon. - intros. induction PR. + eapply gf_mon. apply IN. intros. eapply rclo12_base. apply PR. + eapply gf_mon. * eapply COM. eapply COM. apply IN. apply H. * intros. eapply rclo12_clo. apply PR. Qed.
imports: Program.Basics Paco(paco12 pacotac)