Apply df_salgen__df_sumge0__df_mea__df_ome__df_caragen__df_ovoln__df_voln__df_smblfn__df_dfat__df_afv__df_aov__df_nelbr__df_iccp__df_pfx__df_fmtno__df_even__df_odd__df_gbe with
wceq codd (crab (λ x0 . wcel (co (co (cv x0) c1 caddc) c2 cdiv) cz) (λ x0 . cz)).