proposition: Theorem _paco5_acc: forall l r (OBG: forall rr (INC: r <5== rr) (CIH: l <5== rr), l <5== paco5 gf rr), l <5== paco5 gf r.
proof: Proof. intros. apply uncurry_adjoint1_5. eapply _paco_acc. intros. apply uncurry_adjoint1_5 in INC. apply uncurry_adjoint1_5 in CIH. apply uncurry_adjoint2_5. eapply le5_trans. eapply (OBG _ INC CIH). apply curry_map5. apply _paco_mon; try apply le1_refl; apply curry_bij1_5. Qed.
imports: Program.Basics Paco(paconotation_internal paco_internal pacotac_internal)