proposition: Lemma rclo2_compat clo (COM: compatible2 clo): compatible2 (rclo2 clo).
proof: Proof. econstructor. - apply rclo2_mon. - intros. induction PR. + eapply gf_mon. apply IN. intros. eapply rclo2_base. apply PR. + eapply gf_mon. * eapply COM. eapply COM. apply IN. apply H. * intros. eapply rclo2_clo. apply PR. Qed.
imports: Program.Basics Paco(paco2 pacotac)