Apply df_gbow__df_gbo__ax_bgbltosilva__ax_tgoldbachgt__ax_hgprmladder__ax_bgbltosilvaOLD__ax_hgprmladderOLD__ax_tgoldbachgtOLD__df_upwlks__df_spr__df_mgmhm__df_submgm__df_cllaw__df_comlaw__df_asslaw__df_intop__df_clintop__df_assintop with
wceq cgbow (crab (λ x0 . wrex (λ x1 . wrex (λ x2 . wrex (λ x3 . wceq (cv x0) (co (co (cv x1) (cv x2) caddc) (cv x3) caddc)) (λ x3 . cprime)) (λ x2 . cprime)) (λ x1 . cprime)) (λ x0 . codd)).