proposition: Lemma gpaco10_unfold_bot clo (WCMP: wcompatible10 gf clo): gpaco10 gf clo bot10 bot10 <10= gf (gpaco10 gf clo bot10 bot10).
proof: Proof. intros. apply gpaco10_init in PR; [|apply WCMP]. _punfold PR; [..|apply gf_mon]. eapply gf_mon. apply PR. intros. destruct PR0; [|contradiction]. apply gpaco10_final. apply gf_mon. right. apply H. Qed.
imports: Program.Basics Paco(paco10 pacotac)