update in static_2 and app_2

[helm.git] / matita / matita / contribs / lambdadelta / apps_2 / models / veq_li.ma

diff --git a/matita/matita/contribs/lambdadelta/apps_2/models/veq_li.ma b/matita/matita/contribs/lambdadelta/apps_2/models/veq_li.ma
deleted file mode 100644 (file)
index 8fa8d90..0000000
--- a/matita/matita/contribs/lambdadelta/apps_2/models/veq_li.ma
+++ /dev/null
@@ -1,38 +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 "apps_2/models/model_li.ma".
-include "apps_2/models/veq_vdrop.ma".
-
-(* EVALUATION EQUIVALENCE  **************************************************)
-
-(* Properties with local environment interpretation *************************)
-
-lemma li_repl_back (M) (gv): is_model M →
-                             ∀L,lv1. lv1 ϵ ⟦L⟧[gv] →
-                             ∀lv2. lv1 ≗{M} lv2 → lv2 ϵ ⟦L⟧[gv].
-#M #gv #HM #L #lv1 #H elim H -L -lv1 //
-[ #lv1 #d1 #K #V #_ #Hd #IH #y #H
-  elim (veq_inv_vlift_sn … H) -H #lv2 #d2 #Hlv12 #Hd12 #Hy
-  /5 width=5 by li_repl, li_abbr, ti_comp_l, mr/
-| #lv1 #d1 #K #W #_ #IH #y #H
-  elim (veq_inv_vlift_sn … H) -H #lv2 #d2 #Hlv12 #_ #Hy
-  /4 width=3 by li_repl, li_abst/
-| #lv1 #d1 #I #K #_ #IH #y #H
-  elim (veq_inv_vlift_sn … H) -H #lv2 #d2 #Hlv12 #_ #Hy
-  /4 width=3 by li_repl, li_unit/
-| #lv1 #lv #L #_ #Hlv1 #IH #lv2 #Hlv2
-  @IH /2 width=3 by exteq_veq_trans/
-]
-qed-.