proposition: Lemma gpaco10_unfold clo r rg: gpaco10 clo r rg <10= rclo10 clo (gf (gupaco10 clo (rg \10/ r)) \10/ r).
proof: Proof. intros. destruct PR. eapply rclo10_mon. apply IN. intros. destruct PR; cycle 1. right; apply H. left. _punfold H; [|apply gpaco10_def_mon]. eapply gf_mon. apply H. intros. econstructor. eapply rclo10_mon. apply PR. intros. destruct PR0; cycle 1. right. apply H0. left. eapply paco10_mon. apply H0. intros. left. apply PR0. Qed.
imports: Program.Basics Paco(paco10 pacotac)