update in delayed_updating

[helm.git] / matita / matita / contribs / lambdadelta / delayed_updating / etc / height / path_closed_height.etc

diff --git a/matita/matita/contribs/lambdadelta/delayed_updating/etc/height/path_closed_height.etc b/matita/matita/contribs/lambdadelta/delayed_updating/etc/height/path_closed_height.etc
deleted file mode 100644 (file)
index 72b6dea..0000000
--- a/matita/matita/contribs/lambdadelta/delayed_updating/etc/height/path_closed_height.etc
+++ /dev/null
@@ -1,34 +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/syntax/path_closed.ma".
-include "delayed_updating/syntax/path_height.ma".
-include "delayed_updating/syntax/path_depth.ma".
-
-(* CLOSED CONDITION FOR PATH ************************************************)
-
-(* Destructions with height and depth ***************************************)
-
-lemma path_closed_des_depth (o) (q) (n):
-      q ϵ 𝐂❨o,n❩ → ♯q + n = ♭q.
-#o #q #n #Hq elim Hq -q -n //
-#q #n #_ #IH <nplus_succ_dx //
-qed-.
-
-lemma path_closed_des_succ_depth (o) (q) (n):
-      q ϵ 𝐂❨o,↑n❩ → ♭q = ↑↓♭q.
-#o #q #n #Hq
-<(path_closed_des_depth … Hq) -Hq
-<nplus_succ_dx <npred_succ //
-qed-.