proposition: Theorem _paco9_acc: forall l r (OBG: forall rr (INC: r <9== rr) (CIH: l <9== rr), l <9== paco9 gf rr), l <9== paco9 gf r.
proof: Proof. intros. apply uncurry_adjoint1_9. eapply _paco_acc. intros. apply uncurry_adjoint1_9 in INC. apply uncurry_adjoint1_9 in CIH. apply uncurry_adjoint2_9. eapply le9_trans. eapply (OBG _ INC CIH). apply curry_map9. apply _paco_mon; try apply le1_refl; apply curry_bij1_9. Qed.
imports: Program.Basics Paco(paconotation_internal paco_internal pacotac_internal)