Apply df_ifs__df_cgr3__df_fs__df_segle__df_outsideof__df_line2__df_ray__df_lines2__df_fwddif__df_fwddifn__df_hf__df_fne__df_3nand__df_gcdOLD__ax_prv1__ax_prv2__ax_prv3__df_ssb with
∀ x0 x1 : ι → ο . wceq (cgcdOLD x0 x1) (csup (crab (λ x2 . wa (wcel (co x0 (cv x2) cdiv) cn) (wcel (co x1 (cv x2) cdiv) cn)) (λ x2 . cn)) cn clt).