+++ /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_isd.ma".
-include "ground/relocation/gr_sle.ma".
-
-(* INCLUSION FOR GENERIC RELOCATION MAPS ************************************)
-
-(* Constructions with gr_isd ************************************************)
-
-(*** sle_isdiv_dx *)
-corec lemma gr_sle_isd_dx:
- ∀f2. 𝛀❪f2❫ → ∀f1. f1 ⊆ f2.
-#f2 * -f2
-#f2 #g2 #Hf2 #H2 #f1 cases (gr_map_split_tl f1) *
-/3 width=5 by gr_sle_weak, gr_sle_next/
-qed.
-
-(* Inversions with gr_isd ***************************************************)
-
-(*** sle_inv_isdiv_sn *)
-corec lemma gr_sle_inv_isd_sn:
- ∀f1,f2. f1 ⊆ f2 → 𝛀❪f1❫ → 𝛀❪f2❫.
-#f1 #f2 * -f1 -f2
-#f1 #f2 #g1 #g2 #Hf * * #H
-[1,3: elim (gr_isd_inv_push … H) // ]
-lapply (gr_isd_inv_next … H ??) -H
-/3 width=3 by gr_isd_next/
-qed-.