]> matita.cs.unibo.it Git - helm.git/blobdiff - matita/matita/contribs/lambdadelta/basic_2/s_computation/fqup_drops.ma
syntactic components detached from basic_2 become static_2
[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / s_computation / fqup_drops.ma
diff --git a/matita/matita/contribs/lambdadelta/basic_2/s_computation/fqup_drops.ma b/matita/matita/contribs/lambdadelta/basic_2/s_computation/fqup_drops.ma
deleted file mode 100644 (file)
index f2db58c..0000000
+++ /dev/null
@@ -1,46 +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/drops.ma".
-include "basic_2/s_computation/fqup.ma".
-
-(* PLUS-ITERATED SUPCLOSURE *************************************************)
-
-(* Properties with generic slicing for local environments *******************)
-
-lemma fqup_drops_succ: ∀b,G,K,T,i,L,U. ⬇*[↑i] L ≘ K → ⬆*[↑i] T ≘ U →
-                       ⦃G, L, U⦄ ⊐+[b] ⦃G, K, T⦄.
-#b #G #K #T #i elim i -i
-[ #L #U #HLK #HTU elim (drops_inv_succ … HLK) -HLK
-  #I #Y #HY #H destruct <(drops_fwd_isid … HY) -K //
-  /3 width=2 by fqu_fqup, fqu_drop/
-| #l #IH #L #U #HLK #HTU elim (drops_inv_succ … HLK) -HLK
-  #I #Y #HY #H destruct
-  elim (lifts_split_trans … HTU … (𝐔❴↑l❵) (𝐔❴1❵)) -HTU
-  /4 width=5 by fqup_strap2, fqu_drop/
-]
-qed.
-
-lemma fqup_drops_strap1: ∀b,G1,G2,L1,K1,K2,T1,T2,U1,i. ⬇*[i] L1 ≘ K1 → ⬆*[i] T1 ≘ U1 →
-                         ⦃G1, K1, T1⦄ ⊐[b] ⦃G2, K2, T2⦄ → ⦃G1, L1, U1⦄ ⊐+[b] ⦃G2, K2, T2⦄.
-#b #G1 #G2 #L1 #K1 #K2 #T1 #T2 #U1 *
-[ #HLK1 #HTU1 #HT12
-  >(drops_fwd_isid … HLK1) -L1 //
-  <(lifts_fwd_isid … HTU1) -U1 /2 width=1 by fqu_fqup/
-| /3 width=5 by fqup_strap1, fqup_drops_succ/
-]
-qed-.
-
-lemma fqup_lref: ∀b,I,G,L,K,V,i. ⬇*[i] L ≘ K.ⓑ{I}V → ⦃G, L, #i⦄ ⊐+[b] ⦃G, K, V⦄.
-/2 width=6 by fqup_drops_strap1/ qed.