proposition: Lemma gpaco14_dist_reverse clo r rg: (paco14 gf (rclo14 clo (rg \14/ r)) \14/ rclo14 clo r) <14= gpaco14 gf clo r rg.
proof: Proof. intros. destruct PR; cycle 1. - eapply gpaco14_rclo. apply H. - econstructor. apply rclo14_base. left. revert x0 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 x11 x12 x13 H. pcofix CIH; intros. _punfold H0; [|apply gf_mon]. pstep. eapply gf_mon. apply H0. intros. destruct PR. + apply rclo14_base. right. apply CIH, H. + eapply rclo14_mon. apply H. intros. right. apply CIH0. apply PR. Qed.
imports: Program.Basics Paco(paco14 pacotac)