update in delayed_updating

[helm.git] / matita / matita / contribs / lambdadelta / delayed_updating / unwind / unwind2_rmap_labels.ma

diff --git a/matita/matita/contribs/lambdadelta/delayed_updating/unwind/unwind2_rmap_labels.ma b/matita/matita/contribs/lambdadelta/delayed_updating/unwind/unwind2_rmap_labels.ma
new file mode 100644 (file)
index 0000000..b1ddacd
--- /dev/null
+++ b/matita/matita/contribs/lambdadelta/delayed_updating/unwind/unwind2_rmap_labels.ma
@@ -0,0 +1,28 @@
+(**************************************************************************)
+(*       ___                                                              *)
+(*      ||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_rmap.ma".
+include "delayed_updating/syntax/path_labels.ma".
+include "ground/relocation/tr_pushs.ma".
+
+(* UNWIND MAP FOR PATH ******************************************************)
+
+(* Constructions with labels ************************************************)
+
+lemma unwind2_rmap_labels_L (f) (n):
+      (⫯*[n]f) = ▶[f](𝗟∗∗n).
+#f #n @(nat_ind_succ … n) -n //
+#n #IH
+<labels_succ <unwind2_rmap_L_sn //
+qed.