X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fstatic%2Frdeq_length.ma;fp=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fstatic%2Frdeq_length.ma;h=0000000000000000000000000000000000000000;hb=ff612dc35167ec0c145864c9aa8ae5e1ebe20a48;hp=a877646c98bbdbb265961e75314f19519f62e63c;hpb=222044da28742b24584549ba86b1805a87def070;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/static/rdeq_length.ma b/matita/matita/contribs/lambdadelta/basic_2/static/rdeq_length.ma
deleted file mode 100644
index a877646c9..000000000
--- a/matita/matita/contribs/lambdadelta/basic_2/static/rdeq_length.ma
+++ /dev/null
@@ -1,55 +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/lifts_tdeq.ma".
-include "basic_2/static/rex_length.ma".
-include "basic_2/static/rex_fsle.ma".
-include "basic_2/static/rdeq.ma".
-
-(* DEGREE-BASED EQUIVALENCE FOR LOCAL ENVIRONMENTS ON REFERRED ENTRIES ******)
-
-(* Advanved properties with free variables inclusion ************************)
-
-lemma rdeq_fsge_comp (h) (o): rex_fsge_compatible (cdeq h o).
-#h #o #L1 #L2 #T * #f1 #Hf1 #HL12
-lapply (frees_rdeq_conf h o … Hf1 … HL12)
-lapply (sex_fwd_length … HL12)
-/3 width=8 by lveq_length_eq, ex4_4_intro/ (**) (* full auto fails *)
-qed-.
-
-(* Properties with length for local environments ****************************)
-
-(* Basic_2A1: uses: lleq_sort *)
-lemma rdeq_sort_length (h) (o): ∀L1,L2. |L1| = |L2| → ∀s. L1 ≛[h, o, ⋆s] L2.
-/2 width=1 by rex_sort_length/ qed.
-
-(* Basic_2A1: uses: lleq_gref *)
-lemma rdeq_gref_length (h) (o): ∀L1,L2. |L1| = |L2| → ∀l. L1 ≛[h, o, §l] L2.
-/2 width=1 by rex_gref_length/ qed.
-
-lemma rdeq_unit_length (h) (o): ∀L1,L2. |L1| = |L2| →
-                                ∀I. L1.ⓤ{I} ≛[h, o, #0] L2.ⓤ{I}.
-/2 width=1 by rex_unit_length/ qed.
-
-(* Basic_2A1: uses: lleq_lift_le lleq_lift_ge *)
-lemma rdeq_lifts_bi (h) (o): ∀L1,L2. |L1| = |L2| → ∀K1,K2,T. K1 ≛[h, o, T] K2 →
-                             ∀b,f. ⬇*[b, f] L1 ≘ K1 → ⬇*[b, f] L2 ≘ K2 →
-                             ∀U. ⬆*[f] T ≘ U → L1 ≛[h, o, U] L2.
-/3 width=9 by rex_lifts_bi, tdeq_lifts_sn/ qed-.
-
-(* Forward lemmas with length for local environments ************************)
-
-(* Basic_2A1: lleq_fwd_length *)
-lemma rdeq_fwd_length (h) (o): ∀L1,L2. ∀T:term. L1 ≛[h, o, T] L2 → |L1| = |L2|.
-/2 width=3 by rex_fwd_length/ qed-.