proposition: Lemma cpn13_compat: compatible13 gf cpn13.
proof: Proof. econstructor; [apply cpn13_mon|intros]. destruct PR; eapply gf_mon with (r:=clo r). - eapply (compat13_compat COM); apply CLO. - intros. econstructor; [apply COM|apply PR]. Qed.
imports: Program.Basics Paco(paco13 pacotac)