(* *)
(**************************************************************************)
+include "delayed_updating/unwind/unwind2_rmap_lift.ma".
include "delayed_updating/unwind/unwind2_rmap_eq.ma".
+include "delayed_updating/substitution/lift_rmap_structure.ma".
include "delayed_updating/syntax/path_closed.ma".
include "delayed_updating/syntax/path_depth.ma".
-include "ground/relocation/xap.ma".
+include "ground/relocation/nap.ma".
+include "ground/relocation/tr_pushs_tls.ma".
+include "ground/lib/stream_tls_plus.ma".
include "ground/lib/stream_eq_eq.ma".
-include "ground/arith/nat_le_plus.ma".
-include "ground/arith/nat_le_pred.ma".
(* TAILED UNWIND FOR RELOCATION MAP *****************************************)
(* Destructions with cpp ****************************************************)
-lemma unwind2_rmap_append_closed_dx_xap_le (f) (p) (q) (n):
- q ϵ 𝐂❨n❩ → ∀m. m ≤ n →
- ▶[f]q@❨m❩ = ▶[f](p●q)@❨m❩.
-#f #p #q #n #Hq elim Hq -q -n
-[|*: #q #n [ #k ] #_ #IH ] #m #Hm
-[ <(nle_inv_zero_dx … Hm) -m //
-| <unwind2_rmap_d_dx <unwind2_rmap_d_dx
- <tr_compose_xap <tr_compose_xap
- @IH -IH (**) (* auto too slow *)
- @nle_trans [| @tr_uni_xap ]
- /2 width=1 by nle_plus_bi_dx/
-| <unwind2_rmap_m_dx <unwind2_rmap_m_dx
- /2 width=2 by/
-| <unwind2_rmap_L_dx <unwind2_rmap_L_dx
- elim (nle_inv_succ_dx … Hm) -Hm // * #Hm #H0
- >H0 -H0 <tr_xap_push <tr_xap_push
- /3 width=2 by eq_f/
-| <unwind2_rmap_A_dx <unwind2_rmap_A_dx
- /2 width=2 by/
-| <unwind2_rmap_S_dx <unwind2_rmap_S_dx
- /2 width=2 by/
+lemma nap_plus_unwind2_rmap_closed (o) (e) (f) (q) (m) (n):
+ q ϵ 𝐂❨o,n,e❩ →
+ f@§❨m+e❩+♭q = ▶[f]q@§❨m+n❩.
+#o #e #f #q #m #n #Hq elim Hq -q -n //
+#q #n [ #k #_ ] #_ #IH
+[ <depth_d_dx <unwind2_rmap_d_dx
+ <tr_compose_nap <tr_uni_nap //
+| <depth_L_dx <unwind2_rmap_L_dx
+ <tr_nap_push <nplus_succ_dx //
]
qed-.
-lemma unwind2_rmap_append_L_closed_dx_nap (f) (p) (q) (n):
- q ϵ 𝐂❨n❩ →
- ▶[f](𝗟◗q)@§❨n❩ = ▶[f](p●𝗟◗q)@§❨n❩.
-#f #p #q #n #Hq
-lapply (pcc_L_sn … Hq) -Hq #Hq
-lapply (unwind2_rmap_append_closed_dx_xap_le f p … Hq (↑n) ?) -Hq //
-<tr_xap_succ_nap <tr_xap_succ_nap #Hq
-/2 width=1 by eq_inv_nsucc_bi/
+lemma nap_unwind2_rmap_closed (o) (f) (q) (n):
+ q ϵ 𝐂❨o,n,𝟎❩ →
+ f@§❨𝟎❩+♭q = ▶[f]q@§❨n❩.
+#o #f #q #n #Hn
+/2 width=2 by nap_plus_unwind2_rmap_closed/
qed-.
-lemma unwind2_rmap_push_closed_nap (f) (q) (n):
- q ϵ 𝐂❨n❩ →
- ♭q = ▶[⫯f]q@§❨n❩.
-#f #q #n #Hq elim Hq -q -n
-[|*: #q #n [ #k ] #_ #IH ] //
-<unwind2_rmap_d_dx <tr_compose_nap //
+lemma nap_plus_unwind2_rmap_append_closed_Lq_dx (o) (f) (p) (q) (m) (n):
+ q ϵ 𝐂❨o,n,𝟎❩ →
+ (⫯▶[f]p)@§❨m❩+♭q = ▶[f](p●𝗟◗q)@§❨m+n❩.
+#o #f #p #q #m #n #Hn
+/2 width=2 by nap_plus_unwind2_rmap_closed/
qed-.
-lemma unwind2_rmap_append_closed_nap (f) (p) (q) (n):
- q ϵ 𝐂❨n❩ →
+lemma nap_unwind2_rmap_append_closed_Lq_dx (o) (f) (p) (q) (n):
+ q ϵ 𝐂❨o,n,𝟎❩ →
♭q = ▶[f](p●𝗟◗q)@§❨n❩.
-#f #p #q #n #Hq
-<unwind2_rmap_append_L_closed_dx_nap //
-/2 width=1 by unwind2_rmap_push_closed_nap/
+#o #f #p #q #n #Hn
+>(nplus_zero_sn n)
+<(nap_plus_unwind2_rmap_append_closed_Lq_dx … Hn) -Hn
+<nplus_zero_sn //
qed-.
-lemma tls_succ_plus_unwind2_rmap_push_closed (f) (q) (n):
- q ϵ 𝐂❨n❩ →
+lemma tls_succ_plus_unwind2_rmap_push_closed (o) (f) (q) (n):
+ q ϵ 𝐂❨o,n,𝟎❩ →
∀m. ⇂*[m]f ≗ ⇂*[↑(m+n)]▶[⫯f]q.
-#f #q #n #Hq elim Hq -q -n //
-#q #n [ #k ] #_ #IH #m
-[ @(stream_eq_trans … (tls_unwind2_rmap_d_dx …))
- >nrplus_inj_dx >nrplus_inj_sn >nsucc_unfold //
-| <unwind2_rmap_L_dx <nplus_succ_dx //
-]
+#o #f #q #n #Hn elim Hn -q -n //
+#q #n #k #_ #_ #IH #m
+@(stream_eq_trans … (tls_unwind2_rmap_d_dx …))
+>nrplus_inj_dx >nrplus_inj_sn >nsucc_unfold //
+qed-.
+
+lemma tls_succ_unwind2_rmap_push_closed (o) (f) (q) (n):
+ q ϵ 𝐂❨o,n,𝟎❩ →
+ f ≗ ⇂*[↑n]▶[⫯f]q.
+#o #f #q #n #Hn
+/2 width=2 by tls_succ_plus_unwind2_rmap_push_closed/
+qed-.
+
+lemma tls_succ_plus_unwind2_rmap_append_closed_Lq_dx (o) (f) (p) (q) (n):
+ q ϵ 𝐂❨o,n,𝟎❩ →
+ ∀m. ⇂*[m]▶[f]p ≗ ⇂*[↑(m+n)]▶[f](p●𝗟◗q).
+#o #f #p #q #n #Hn #m
+/2 width=2 by tls_succ_plus_unwind2_rmap_push_closed/
qed-.
-lemma tls_succ_unwind2_rmap_append_L_closed_dx (f) (p) (q) (n):
- q ϵ 𝐂❨n❩ →
- ▶[f]p ≗ ⇂*[↑n]▶[f](p●𝗟◗q).
-/2 width=1 by tls_succ_plus_unwind2_rmap_push_closed/
+lemma tls_succ_unwind2_rmap_closed (f) (q) (n):
+ q ϵ 𝐂❨Ⓕ,n,𝟎❩ →
+ ⇂f ≗ ⇂*[↑n]▶[f]q.
+#f #q #n #Hn
+@(stream_eq_canc_dx … (stream_tls_eq_repl …))
+[| @(unwind2_rmap_eq_repl … (tr_compose_id_dx …)) | skip ]
+@(stream_eq_trans … (stream_tls_eq_repl …))
+[| @(lift_unwind2_rmap_after … ) | skip ]
+<tr_compose_tls <tr_id_unfold
+@(stream_eq_trans … (tr_compose_eq_repl …))
+[| @(tls_succ_unwind2_rmap_push_closed … Hn) | skip | // | skip ]
+@(stream_eq_trans ????? (tr_compose_id_dx …))
+<tr_pap_succ_nap <(nap_unwind2_rmap_closed … Hn) <nplus_zero_sn
+<lift_rmap_structure <stream_tls_succ <tr_tls_pushs //
qed-.