proposition: Lemma cpn12_compat: compatible12 gf cpn12.
proof: Proof. econstructor; [apply cpn12_mon|intros]. destruct PR; eapply gf_mon with (r:=clo r). - eapply (compat12_compat COM); apply CLO. - intros. econstructor; [apply COM|apply PR]. Qed.
imports: Program.Basics Paco(paco12 pacotac)