+++ /dev/null
-(**************************************************************************)
-(* ___ *)
-(* ||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-.