update in delayed_updating

[helm.git] / matita / matita / contribs / lambdadelta / delayed_updating / etc / unwind3 / unwind_structure_depth.etc

diff --git a/matita/matita/contribs/lambdadelta/delayed_updating/etc/unwind3/unwind_structure_depth.etc b/matita/matita/contribs/lambdadelta/delayed_updating/etc/unwind3/unwind_structure_depth.etc
deleted file mode 100644 (file)
index fdb7d78..0000000
--- a/matita/matita/contribs/lambdadelta/delayed_updating/etc/unwind3/unwind_structure_depth.etc
+++ /dev/null
@@ -1,31 +0,0 @@
-(**************************************************************************)
-(*       ___                                                              *)
-(*      ||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/unwind3/unwind.ma".
-include "delayed_updating/syntax/path_structure.ma".
-include "delayed_updating/syntax/path_depth.ma".
-include "ground/arith/nat_pred_succ.ma".
-
-(* UNWIND FOR PATH *********************************************************)
-
-(* Basic constructions with structure and depth ****************************)
-
-lemma unwind_rmap_structure (p) (f):
-      (⫯*[❘p❘]f) = ▼[⊗p]f.
-#p elim p -p //
-* [ #n ] #p #IH #f //
-[ <unwind_rmap_A_sn //
-| <unwind_rmap_S_sn //
-]
-qed.