Apply df_q__df_rp__df_xneg__df_xadd__df_xmul__df_ioo__df_ioc__df_ico__df_icc__df_fz__df_fzo__df_fl__df_ceil__df_mod__df_seq__df_exp__df_fac__df_bc with
wceq cioo (cmpt2 (λ x0 x1 . cxr) (λ x0 x1 . cxr) (λ x0 x1 . crab (λ x2 . wa (wbr (cv x0) (cv x2) clt) (wbr (cv x2) (cv x1) clt)) (λ x2 . cxr))).