X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fdelayed_updating%2Freduction%2Fifr_lift.ma;fp=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fdelayed_updating%2Freduction%2Fifr_lift.ma;h=0000000000000000000000000000000000000000;hb=df1bcd1387439133c0c33f597a5f8b2331c07772;hp=cd597c2bbdbf56b23f94edcc1d62b63f8557546b;hpb=119da3f9ce130f7c4e8b23fcc491d221472ad657;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/delayed_updating/reduction/ifr_lift.ma b/matita/matita/contribs/lambdadelta/delayed_updating/reduction/ifr_lift.ma
deleted file mode 100644
index cd597c2bb..000000000
--- a/matita/matita/contribs/lambdadelta/delayed_updating/reduction/ifr_lift.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 "delayed_updating/reduction/ifr.ma".
-
-include "delayed_updating/substitution/fsubst_lift.ma".
-include "delayed_updating/substitution/fsubst_eq.ma".
-include "delayed_updating/substitution/lift_prototerm_after.ma".
-include "delayed_updating/substitution/lift_path_closed.ma".
-include "delayed_updating/substitution/lift_rmap_closed.ma".
-
-include "ground/relocation/tr_uni_compose.ma".
-include "ground/relocation/tr_compose_eq.ma".
-
-(* IMMEDIATE FOCUSED REDUCTION **********************************************)
-
-(* Constructions with lift **************************************************)
-
-theorem ifr_lift_bi (f) (t1) (t2) (r):
-        t1 ➡𝐢𝐟[r] t2 → 🠡[f]t1 ➡𝐢𝐟[🠡[f]r] 🠡[f]t2.
-#f #t1 #t2 #r
-* #p #q #n #Hr #Hn #Ht1 #Ht2 destruct
-@(ex4_3_intro … (🠡[f]p) (🠡[🠢[f](p◖𝗔◖𝗟)]q) (🠢[f](p●𝗔◗𝗟◗q)＠§❨n❩))
-[ -Hn -Ht1 -Ht2 //
-| -Ht1 -Ht2
-  /2 width=1 by lift_path_rmap_closed_L/
-| lapply (in_comp_lift_path_term f … Ht1) -Ht2 -Ht1 -Hn
-  <lift_path_d_dx #Ht1 //
-| lapply (lift_term_eq_repl_dx f … Ht2) -Ht2 #Ht2 -Ht1
-  @(subset_eq_trans … Ht2) -t2
-  @(subset_eq_trans … (lift_term_fsubst …))
-  @fsubst_eq_repl [ // | <lift_path_append // ]
-  @(subset_eq_canc_sn … (lift_term_eq_repl_dx …))
-  [ @lift_term_grafted_S | skip ]
-  @(subset_eq_trans … (lift_term_after …))
-  @(subset_eq_canc_dx … (lift_term_after …))
-  @lift_term_eq_repl_sn
-(* Note: crux of the proof begins *)
-  @(stream_eq_trans … (tr_compose_uni_dx_pap …)) <tr_pap_succ_nap
-  @tr_compose_eq_repl // >nsucc_unfold
-  /2 width=2 by tls_succ_lift_rmap_append_closed_Lq_dx/
-(* Note: crux of the proof ends *)
-]
-qed.