--- /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_fcla_eq.ma".
+include "ground/relocation/gr_isf.ma".
+
+(* FINITE COLENGTH CONDITION FOR GENERIC RELOCATION MAPS *)
+
+(* Properties with gr_eq *)
+
+(*** isfin_eq_repl_back *)
+lemma gr_isf_eq_repl_back:
+ gr_eq_repl_back … gr_isf.
+#f1 * /3 width=4 by gr_fcla_eq_repl_back, ex_intro/
+qed-.
+
+(*** isfin_eq_repl_fwd *)
+lemma gr_isf_eq_repl_fwd: gr_eq_repl_fwd … gr_isf.
+/3 width=3 by gr_isf_eq_repl_back, gr_eq_repl_sym/ qed-.