proposition: Lemma cpn6_compat: compatible6 gf cpn6.
proof: Proof. econstructor; [apply cpn6_mon|intros]. destruct PR; eapply gf_mon with (r:=clo r). - eapply (compat6_compat COM); apply CLO. - intros. econstructor; [apply COM|apply PR]. Qed.
imports: Program.Basics Paco(paco6 pacotac)