Apply df_ch__df_oc__df_ch0__df_shs__df_span__df_chj__df_chsup__df_pjh__df_cm__df_hosum__df_homul__df_hodif__df_hfsum__df_hfmul__df_h0op__df_iop__df_nmop__df_cnop with
wceq cpjh (cmpt (λ x0 . cch) (λ x0 . cmpt (λ x1 . chil) (λ x1 . crio (λ x2 . wrex (λ x3 . wceq (cv x1) (co (cv x2) (cv x3) cva)) (λ x3 . cfv (cv x0) cort)) (λ x2 . cv x0)))).