Apply df_ec__df_qs__df_map__df_pm__df_ixp__df_en__df_dom__df_sdom__df_fin__df_fsupp__df_fi__df_sup__df_inf__df_oi__df_har__df_wdom__ax_reg__ax_inf with
∀ x0 . wex (λ x1 . wa (wcel (cv x0) (cv x1)) (∀ x2 . wcel (cv x2) (cv x1) ⟶ wex (λ x3 . wa (wcel (cv x2) (cv x3)) (wcel (cv x3) (cv x1))))).