X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambda_delta%2Fbasic_2%2Fetc%2Fcsup%2Fyprs_xprs.etc;fp=matita%2Fmatita%2Fcontribs%2Flambda_delta%2Fbasic_2%2Fetc%2Fcsup%2Fyprs_xprs.etc;h=0000000000000000000000000000000000000000;hb=e8998d29ab83e7b6aa495a079193705b2f6743d3;hp=2feb88a2f7a5cbf34d86054ddaea3cc63d15235c;hpb=bde429ac54e48de74b3d8b1df72dfcb86aa9bae5;p=helm.git

diff --git a/matita/matita/contribs/lambda_delta/basic_2/etc/csup/yprs_xprs.etc b/matita/matita/contribs/lambda_delta/basic_2/etc/csup/yprs_xprs.etc
deleted file mode 100644
index 2feb88a2f..000000000
--- a/matita/matita/contribs/lambda_delta/basic_2/etc/csup/yprs_xprs.etc
+++ /dev/null
@@ -1,28 +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/computation/xprs_cprs.ma".
-include "basic_2/computation/yprs.ma".
-
-(* HYPER PARALLEL COMPUTATION ON CLOSURES ***********************************)
-
-(* Properties on extended parallel computation for terms ********************)
-
-lemma xprs_yprs: ∀h,g,L,T1,T2. ⦃h, L⦄ ⊢ T1 •➡*[g] T2 →
-                 h ⊢ ⦃L, T1⦄ •⥸*[g] ⦃L, T2⦄.
-#h #g #L #T1 #T2 #H @(xprs_ind … H) -T2 // /3 width=4/
-qed.
-
-lemma cprs_yprs: ∀h,g,L,T1,T2. L ⊢ T1 ➡* T2 → h ⊢ ⦃L, T1⦄ •⥸*[g] ⦃L, T2⦄.
-/3 width=1/ qed.