proposition: Lemma rclo2_wcompat clo (COM: wcompatible2 clo): wcompatible2 (rclo2 clo).
proof: Proof. econstructor. - apply rclo2_mon. - intros. induction PR. + eapply gf_mon. apply IN. intros. apply gpaco2_base. apply PR. + eapply gf_mon. * eapply COM. eapply COM. apply IN. apply H. * intros. eapply gpaco2_gupaco. apply gf_mon. eapply gupaco2_mon_gen; intros; [apply PR|apply gf_mon|apply PR0| |apply PR0]. apply rclo2_clo_base, PR0. Qed.
imports: Program.Basics Paco(paco2 pacotac)