milestone update in ground_2 and basic_2A

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / etc_2A1 / delift / tpr_delift.etc

diff --git a/matita/matita/contribs/lambdadelta/basic_2/etc_2A1/delift/tpr_delift.etc b/matita/matita/contribs/lambdadelta/basic_2/etc_2A1/delift/tpr_delift.etc
deleted file mode 100644 (file)
index 3fff8f2..0000000
--- a/matita/matita/contribs/lambdadelta/basic_2/etc_2A1/delift/tpr_delift.etc
+++ /dev/null
@@ -1,27 +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 "basic_2/unfold/delift.ma".
-include "basic_2/reducibility/ltpr_tpss.ma".
-
-(* CONTEXT-FREE PARALLEL REDUCTION ON TERMS *********************************)
-
-(* Properties on inverse basic term relocation ******************************)
-
-lemma tpr_delift_conf: ∀U1,U2. U1 ➡ U2 → ∀L,T1,d,e. L ⊢ ▼*[d, e] U1 ≡ T1 →
-                       ∃∃T2. T1 ➡ T2 & L ⊢ ▼*[d, e] U2 ≡ T2.
-#U1 #U2 #HU12 #L #T1 #d #e * #W1 #HUW1 #HTW1
-elim (tpr_tpss_conf … HU12 … HUW1) -U1 #U1 #HWU1 #HU21
-elim (tpr_inv_lift1 … HWU1 … HTW1) -W1 /3 width=5/
-qed-.