Apply df_gzext__df_gzrep__df_gzpow__df_gzun__df_gzreg__df_gzinf__df_gzf__df_mcn__df_mvar__df_mty__df_mtc__df_mmax__df_mvt__df_mrex__df_mex__df_mdv__df_mvrs__df_mrsub with
wceq cmrex (cmpt (λ x0 . cvv) (λ x0 . cword (cun (cfv (cv x0) cmcn) (cfv (cv x0) cmvar)))).