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[helm.git] / matita / matita / contribs / lambdadelta / ground / relocation / gr_isf_tl.ma
diff --git a/matita/matita/contribs/lambdadelta/ground/relocation/gr_isf_tl.ma b/matita/matita/contribs/lambdadelta/ground/relocation/gr_isf_tl.ma
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-(**************************************************************************)
-(*       ___                                                              *)
-(*      ||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_isf.ma".
-
-(* FINITE COLENGTH CONDITION FOR GENERIC RELOCATION MAPS ********************)
-
-(* Constructions with gr_tl *************************************************)
-
-(*** isfin_tl *)
-lemma gr_isf_tl (f): 𝐅❪f❫ → 𝐅❪⫰f❫.
-#f elim (gr_map_split_tl f) * #Hf
-/3 width=3 by gr_isf_inv_push, gr_isf_inv_next/
-qed.
-
-(* Inversions with gr_tl ****************************************************)
-
-(*** isfin_inv_tl *)
-lemma gr_isf_inv_tl (g): 𝐅❪⫰g❫ → 𝐅❪g❫.
-#f elim (gr_map_split_tl f) * #Hf
-/2 width=1 by gr_isf_next, gr_isf_push/
-qed-.