+++ /dev/null
-(**************************************************************************)
-(* ___ *)
-(* ||M|| *)
-(* ||A|| A project by Andrea Asperti *)
-(* ||T|| *)
-(* ||I|| Developers: *)
-(* ||T|| The HELM team. *)
-(* ||A|| http://helm.tcs.unibo.it *)
-(* \ / *)
-(* \ / This file is distributed under the terms of the *)
-(* v GNU General Public License Version 2 *)
-(* *)
-(**************************************************************************)
-
-include "ground/arith/nat_rplus_succ.ma".
-include "ground/relocation/rtmap_uni.ma".
-include "ground/relocation/rtmap_at.ma".
-
-(* RELOCATION MAP ***********************************************************)
-
-(* Properties with uniform relocations **************************************)
-
-lemma at_uni: ∀n,i. @❪i,𝐔❨n❩❫ ≘ i+n.
-#n @(nat_ind_succ … n) -n /2 width=5 by at_next/
-qed.
-
-(* Inversion lemmas with uniform relocations ********************************)
-
-lemma at_inv_uni: ∀n,i,j. @❪i,𝐔❨n❩❫ ≘ j → j = i+n.
-/2 width=4 by at_mono/ qed-.