new definition of lleq allows to complete the proof of lemma 1000

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / substitution / fqup_lleq.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/substitution/fqup_lleq.ma b/matita/matita/contribs/lambdadelta/basic_2/substitution/fqup_lleq.ma
deleted file mode 100644 (file)
index 582888e..0000000
--- a/matita/matita/contribs/lambdadelta/basic_2/substitution/fqup_lleq.ma
+++ /dev/null
@@ -1,32 +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/relocation/fqu_lleq.ma".
-include "basic_2/substitution/fqup.ma".
-
-(* PLUS-ITERATED SUPCLOSURE *************************************************)
-
-(* Properties on lazy equivalence for local environments ********************)
-
-lemma lleq_fqup_trans: ∀G1,G2,L2,K2,T,U. ⦃G1, L2, T⦄ ⊃+ ⦃G2, K2, U⦄ →
-                       ∀L1. L1 ⋕[0, T] L2 →
-                       ∃∃K1. ⦃G1, L1, T⦄ ⊃+ ⦃G2, K1, U⦄ & K1 ⋕[0, U] K2.
-#G1 #G2 #L2 #K2 #T #U #H @(fqup_ind … H) -G2 -K2 -U
-[ #G2 #K2 #U #HTU #L1 #HL12 elim (lleq_fqu_trans … HTU … HL12) -L2
-  /3 width=3 by fqu_fqup, ex2_intro/
-| #G #G2 #K #K2 #U #U2 #_ #HU2 #IHTU #L1 #HL12 elim (IHTU … HL12) -L2
-  #K1 #HTU #HK1 elim (lleq_fqu_trans … HU2 … HK1) -K
-  /3 width=5 by fqup_strap1, ex2_intro/
-]
-qed-.