Apply df_inv__df_iso__df_cic__df_ssc__df_resc__df_subc__df_func__df_idfu__df_cofu__df_resf__df_full__df_fth__df_nat__df_fuc__df_inito__df_termo__df_zeroo__df_doma with
wceq czeroo (cmpt (λ x0 . ccat) (λ x0 . cin (cfv (cv x0) cinito) (cfv (cv x0) ctermo))).