-* #p #b #q #h #k #Hr #Hb #Hh #H1k #Ht1 #Ht2 destruct
-@(ex6_5_intro ā¦ (āp) (āb) (āq) (āb) (āāq))
-[ -H0t1 -Hb -Hh -H1k -Ht1 -Ht2 //
-| -H0t1 -Hh -H1k -Ht1 -Ht2 //
-| -H0t1 -Hb -Ht1 -H1k -Ht2
- >Hh in ā¢ (??%?); >path_head_structure_depth <Hh -Hh //
-| -H0t1 -Hb -Hh -Ht1 -Ht2
- >structure_L_sn
- >H1k in ā¢ (??%?); >path_head_structure_depth <H1k -H1k //
-| lapply (in_comp_unwind2_path_term f ā¦ Ht1) -Ht2 -Ht1 -H0t1 -Hb -Hh
- <unwind2_path_d_dx >list_append_rcons_dx >list_append_assoc
- lapply (unwind2_rmap_append_pap_closed f ā¦ (pāšāb) ā¦ H1k) -H1k
- <depth_L_sn #H2k
- lapply (eq_inv_ninj_bi ā¦ H2k) -H2k #H2k <H2k -H2k #Ht1 //
+* #p #b #q #m #n #Hr #Hb #Hm #Hn #Ht1 #Ht2 destruct
+@(ex6_5_intro ā¦ (āp) (āb) (āq) (āb) (āq))
+[ -H0t1 -Hb -Hm -Hn -Ht1 -Ht2 //
+| -H0t1 -Hm -Hn -Ht1 -Ht2 //
+| -H0t1 -Hb -Hn -Ht1 -Ht2
+ /2 width=2 by path_closed_structure_depth/
+| -H0t1 -Hb -Hm -Ht1 -Ht2
+ /2 width=2 by path_closed_structure_depth/
+| lapply (in_comp_unwind2_path_term f ā¦ Ht1) -H0t1 -Hb -Hm -Ht2 -Ht1
+ <unwind2_path_d_dx <tr_pap_succ_nap >list_append_rcons_dx >list_append_assoc
+ <nap_unwind2_rmap_append_closed_Lq_dx_depth //