proposition: Lemma gpaco14_unfold_bot clo (WCMP: wcompatible14 gf clo): gpaco14 gf clo bot14 bot14 <14= gf (gpaco14 gf clo bot14 bot14).
proof: Proof. intros. apply gpaco14_init in PR; [|apply WCMP]. _punfold PR; [..|apply gf_mon]. eapply gf_mon. apply PR. intros. destruct PR0; [|contradiction]. apply gpaco14_final. apply gf_mon. right. apply H. Qed.
imports: Program.Basics Paco(paco14 pacotac)