Apply df_bigo__df_blen__df_dig__df_setrecs__df_pg__df_gte__df_gt__df_sinh__df_cosh__df_tanh__df_sec__df_csc__df_cot__df_logbALT__df_reflexive__df_irreflexive__df_alsi__df_alsc with
wceq csec (cmpt (λ x0 . crab (λ x1 . wne (cfv (cv x1) ccos) cc0) (λ x1 . cc)) (λ x0 . co c1 (cfv (cv x0) ccos) cdiv)).