proposition: Lemma compat13_compatible' clo (COM: compatible13 gf clo): compatible'13 clo.
proof: Proof. destruct COM. econstructor; [apply compat13_mon0|]. intros. split. - eapply compat13_mon0; intros; [apply PR| apply PR0]. - apply compat13_compat0. eapply compat13_mon0; intros; [apply PR| apply PR0]. Qed.
imports: Program.Basics Paco(paco13 pacotac)