@(ex_intro ā¦ ((ā[pāšāšāq]f)ļ¼ ā§£āØnā©)) @and3_intro
[ -Ht1 -Ht2
<lift_rmap_L_dx >lift_path_L_sn
- >list_append_rcons_sn in H1n; <reverse_append #H1n
- <(lift_path_head ā¦ H1n) -H1n //
+ <(lift_path_head ā¦ H1n) in ā¢ (??%?); -H1n //
| lapply (in_comp_lift_path_term f ā¦ Ht1) -Ht2 -Ht1 -H1n
<lift_path_d_dx #Ht1 //
| lapply (lift_term_eq_repl_dx f ā¦ Ht2) -Ht2 #Ht2 -Ht1
@lift_term_eq_repl_sn
(* Note: crux of the proof begins *)
>list_append_rcons_sn in H1n; #H1n >lift_rmap_A_dx
- /2 width=1 by tls_lift_rmap_append_closed/
+ /2 width=1 by tls_lift_rmap_closed/
(* Note: crux of the proof ends *)
]
qed.