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 cch (crab (λ x0 . wss (cima chli (co (cv x0) cn cmap)) (cv x0)) (λ x0 . csh)).