Apply df_fr__df_se__df_we__df_xp__df_rel__df_cnv__df_co__df_dm__df_rn__df_res__df_ima__df_pred__df_ord__df_on__df_lim__df_suc__df_iota__df_fun with
∀ x0 x1 x2 : ι → ο . wceq (cpred x0 x1 x2) (cin x0 (cima (ccnv x1) (csn x2))).
Assume H2:
∀ x0 x1 : ι → ο . wb (wwe x0 x1) (wa (wfr x0 x1) (wor x0 x1)).
Assume H16:
∀ x0 : ι → ο . wceq (cio (λ x1 . x0 x1)) (cuni (cab (λ x1 . wceq (cab (λ x2 . x0 x2)) ...))).