milestone update in ground_2 and basic_2A

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / etc_2A1 / lpx_sn / llpx_sn_tc.etc

diff --git a/matita/matita/contribs/lambdadelta/basic_2/etc_2A1/lpx_sn/llpx_sn_tc.etc b/matita/matita/contribs/lambdadelta/basic_2/etc_2A1/lpx_sn/llpx_sn_tc.etc
deleted file mode 100644 (file)
index d22e090..0000000
--- a/matita/matita/contribs/lambdadelta/basic_2/etc_2A1/lpx_sn/llpx_sn_tc.etc
+++ /dev/null
@@ -1,26 +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/substitution/llpx_sn_ldrop.ma".
-
-(* LAZY SN POINTWISE EXTENSION OF A CONTEXT-SENSITIVE REALTION FOR TERMS ****)
-
-(* Properties about transitive closure **************************************)
-
-lemma llpx_sn_TC_pair_dx: ∀R. (∀I,L. reflexive … (R I L)) →
-                          ∀I,L,V1,V2,T. LTC … (R I) L V1 V2 →
-                          LTC … (llpx_sn R 0) T (L.ⓑ{I}V1) (L.ⓑ{I}V2).
-#R #HR #I #L #V1 #V2 #T #H @(TC_star_ind … V2 H) -V2
-/4 width=9 by llpx_sn_bind_repl_O, llpx_sn_refl, step, inj/
-qed.