Apply df_cart__df_img__df_domain__df_range__df_cup__df_cap__df_restrict__df_succf__df_apply__df_funpart__df_fullfun__df_ub__df_lb__df_altop__df_altxp__df_ofs__df_transport__df_colinear with
∀ x0 x1 : ι → ο . wceq (caltop x0 x1) (cpr (csn x0) (cpr x0 (csn x1))).
Assume H15: ....