proposition: Lemma cpn9_compat: compatible9 gf cpn9.
proof: Proof. econstructor; [apply cpn9_mon|intros]. destruct PR; eapply gf_mon with (r:=clo r). - eapply (compat9_compat COM); apply CLO. - intros. econstructor; [apply COM|apply PR]. Qed.
imports: Program.Basics Paco(paco9 pacotac)