+++ /dev/null
-(**************************************************************************)
-(* ___ *)
-(* ||M|| *)
-(* ||A|| A project by Andrea Asperti *)
-(* ||T|| *)
-(* ||I|| Developers: *)
-(* ||T|| The HELM team. *)
-(* ||A|| http://helm.cs.unibo.it *)
-(* \ / *)
-(* \ / This file is distributed under the terms of the *)
-(* v GNU General Public License Version 2 *)
-(* *)
-(**************************************************************************)
-
-include "delayed_updating/unwind/unwind2_path_append.ma".
-include "delayed_updating/syntax/path_depth.ma".
-include "ground/relocation/tr_id_compose.ma".
-include "ground/relocation/tr_compose_compose.ma".
-include "ground/relocation/tr_compose_eq.ma".
-include "ground/relocation/xap.ma".
-include "ground/lib/stream_eq_eq.ma".
-
-(* TAILED UNWIND FOR RELOCATION MAP *****************************************)
-
-(* Constructions with depth *************************************************)
-
-lemma unwind2_rmap_decompose (p) (f):
- ▶[f]p ≗ (⫯*[♭p]f)∘(▶[𝐢]p).
-#p elim p -p
-[ #f <unwind2_rmap_empty <unwind2_rmap_empty <tr_pushs_zero //
-| * [ #k ] #p #IH #f //
- [ <unwind2_rmap_d_dx <unwind2_rmap_d_dx <depth_d_dx
- @(stream_eq_trans … (tr_compose_assoc …))
- /2 width=1 by tr_compose_eq_repl/
- | <unwind2_rmap_L_dx <unwind2_rmap_L_dx <depth_L_dx
- <tr_pushs_succ <tr_compose_push_bi
- /2 width=1 by tr_push_eq_repl/
- ]
-]
-qed.
-
-lemma unwind2_rmap_pap_le (f) (p) (h):
- ▶[𝐢]p@⧣❨h❩ < ↑♭p → ▶[𝐢]p@⧣❨h❩ = ▶[f]p@⧣❨h❩.
-#f #p #h #Hh
->(tr_pap_eq_repl … (▶[f]p) … (unwind2_rmap_decompose …))
-<tr_compose_pap <tr_pap_pushs_le //
-qed.
-
-lemma unwind2_rmap_xap_le (f) (p) (n):
- ▶[𝐢]p@❨n❩ ≤ ♭p → ▶[𝐢]p@❨n❩ = ▶[f]p@❨n❩.
-(*
-#f #p * // #h <tr_xap_ninj #Hh
->unwind2_rmap_pap_le
-*)
-#f #p #n #Hn
->(tr_xap_eq_repl … (▶[f]p) … (unwind2_rmap_decompose …))
-<tr_compose_xap <tr_xap_pushs_le //
-qed-.