update in ground

[helm.git] / matita / matita / contribs / lambdadelta / ground / relocation / gr_isu_tl.ma

diff --git a/matita/matita/contribs/lambdadelta/ground/relocation/gr_isu_tl.ma b/matita/matita/contribs/lambdadelta/ground/relocation/gr_isu_tl.ma
deleted file mode 100644 (file)
index 8a7b07d..0000000
--- a/matita/matita/contribs/lambdadelta/ground/relocation/gr_isu_tl.ma
+++ /dev/null
@@ -1,35 +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 "ground/relocation/gr_tl.ma".
-include "ground/relocation/gr_isu.ma".
-
-(* UNIFORMITY CONDITION FOR GENERIC RELOCATION MAPS *************************)
-
-(* Constructions with gr_tl *************************************************)
-
-lemma gr_isu_tl (f): 𝐔❪f❫ → 𝐔❪⫰f❫.
-#f cases (gr_map_split_tl f) * #H
-[ /3 width=3 by gr_isu_inv_push, gr_isu_isi/
-| /2 width=3 by gr_isu_inv_next/
-]
-qed.
-
-(* Advanced inversions ******************************************************)
-
-(*** isuni_split *)
-lemma gr_isu_split (g): 𝐔❪g❫ → ∨∨ (∃∃f. 𝐈❪f❫ & ⫯f = g) | (∃∃f.𝐔❪f❫ & ↑f = g).
-#g elim (gr_map_split_tl g) * #H
-/4 width=3 by gr_isu_inv_next, gr_isu_inv_push, or_introl, or_intror, ex2_intro/
-qed-.