include "delayed_updating/substitution/lift_rmap_eq.ma".
include "delayed_updating/syntax/path_closed.ma".
+include "ground/relocation/xap.ma".
include "ground/lib/stream_eq_eq.ma".
(* LIFT MAP FOR PATH ********************************************************)
lemma tls_plus_lift_rmap_closed (o) (f) (q) (n):
q ฯต ๐โจo,nโฉ โ
- โm. โ*[m]f โ โ*[m+n]โ[q]f.
+ โm. โ*[m]f โ โ*[m+n]๐ ข[f]q.
#o #f #q #n #Hq elim Hq -q -n //
-#q #n #_ #IH #m
-<nplus_succ_dx <stream_tls_swap //
qed-.
lemma tls_lift_rmap_closed (o) (f) (q) (n):
q ฯต ๐โจo,nโฉ โ
- f โ โ*[n]โ[q]f.
+ f โ โ*[n]๐ ข[f]q.
#o #f #q #n #H0
/2 width=2 by tls_plus_lift_rmap_closed/
qed-.
-lemma tls_succ_lift_rmap_append_L_closed_dx (o) (f) (p) (q) (n):
+lemma tls_lift_rmap_append_closed_dx (o) (f) (p) (q) (n):
q ฯต ๐โจo,nโฉ โ
- โ[p]f โ โ*[โn]โ[pโ๐โq]f.
+ ๐ ข[f]p โ โ*[n]๐ ข[f](pโq).
#o #f #p #q #n #Hq
-/3 width=2 by tls_lift_rmap_closed, pcc_L_sn/
+/2 width=2 by tls_lift_rmap_closed/
+qed-.
+
+lemma tls_succ_lift_rmap_append_closed_Lq_dx (o) (f) (p) (q) (n):
+ q ฯต ๐โจo,nโฉ โ
+ ๐ ข[f]p โ โ*[โn]๐ ข[f](pโ๐โq).
+#o #f #p #q #n #Hq
+/3 width=2 by tls_lift_rmap_append_closed_dx, pcc_L_sn/
+qed-.
+
+lemma tls_succ_plus_lift_rmap_append_closed_bLq_dx (o1) (o2) (f) (p) (b) (q) (m) (n):
+ b ฯต ๐โจo1,mโฉ โ q ฯต ๐โจo2,nโฉ โ
+ ๐ ข[f]p โ โ*[โ(m+n)]๐ ข[f](pโbโ๐โq).
+#o1 #o2 #f #p #b #q #m #n #Hm #Hn
+>nplus_succ_dx <stream_tls_plus
+@(stream_eq_trans โฆ (tls_lift_rmap_append_closed_dx โฆ Hm))
+/3 width=2 by stream_tls_eq_repl, tls_succ_lift_rmap_append_closed_Lq_dx/
+qed-.
+
+lemma nap_plus_lift_rmap_append_closed_Lq_dx (o) (f) (p) (q) (m) (n):
+ q ฯต ๐โจo,nโฉ โ
+ ๐ ข[f](p)๏ผ โจmโฉ+๐ ข[f](pโ๐โq)๏ผ ยงโจnโฉ = ๐ ข[f](pโ๐โq)๏ผ ยงโจm+nโฉ.
+#o #f #p #q #m #n #Hq
+/4 width=2 by eq_f2, tr_xap_eq_repl, tls_succ_lift_rmap_append_closed_Lq_dx/
qed-.