lenv refinement for native validity removed from big tree reduction

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / dynamic / yprs_yprs.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/dynamic/yprs_yprs.ma b/matita/matita/contribs/lambdadelta/basic_2/dynamic/yprs_yprs.ma
deleted file mode 100644 (file)
index d2e9942..0000000
--- a/matita/matita/contribs/lambdadelta/basic_2/dynamic/yprs_yprs.ma
+++ /dev/null
@@ -1,30 +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/dynamic/yprs.ma".
-
-(* "BIG TREE" PARALLEL COMPUTATION FOR CLOSURES *****************************)
-
-(* Main properties **********************************************************)
-
-theorem yprs_trans: ∀h,g. tri_transitive … (yprs h g).
-/2 width=5/ qed-.
-
-(* Advanced properties ******************************************************)
-
-lemma cpr_lpr_ssta_yprs: ∀h,g,G,L1,L2,T1,T2,U2,l2.
-                         ⦃G, L1⦄ ⊢ T1 ➡ T2 → ⦃G, L1⦄ ⊢ ➡ L2 →
-                         ⦃G, L2⦄ ⊢ T2 ▪[h, g] l2+1 → ⦃G, L2⦄ ⊢ T2 •[h, g] U2 →
-                         ⦃G, L1, T1⦄ ≥[h, g] ⦃G, L2, U2⦄.
-/3 width=5 by yprs_trans, cpr_lpr_yprs, ssta_yprs/ qed.