milestone update in ground_2 and basic_2A

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

diff --git a/matita/matita/contribs/lambdadelta/basic_2/etc_2A1/delift/delift_delift.etc b/matita/matita/contribs/lambdadelta/basic_2/etc_2A1/delift/delift_delift.etc
deleted file mode 100644 (file)
index a5c5635..0000000
--- a/matita/matita/contribs/lambdadelta/basic_2/etc_2A1/delift/delift_delift.etc
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@@ -1,29 +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/tpss_tpss.ma".
-include "basic_2/unfold/delift.ma".
-
-(* INVERSE BASIC TERM RELOCATION  *******************************************)
-
-(* Main properties **********************************************************)
-
-theorem delift_mono: ∀L,T,T1,T2,d,e.
-                     L ⊢ ▼*[d, e] T ≡ T1 → L ⊢ ▼*[d, e] T ≡ T2 → T1 = T2.
-#L #T #T1 #T2 #d #e * #U1 #H1TU1 #H2TU1 * #U2 #H1TU2 #H2TU2
-elim (tpss_conf_eq … H1TU1 … H1TU2) -T #U #HU1 #HU2
-lapply (tpss_inv_lift1_eq … HU1 … H2TU1) -HU1 #H destruct
-lapply (tpss_inv_lift1_eq … HU2 … H2TU2) -HU2 #H destruct
-lapply (lift_inj … H2TU1 … H2TU2) //
-qed-.