+++ /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 "delayed_updating/syntax/path_structure.ma".
-include "delayed_updating/syntax/path_reverse.ma".
-
-(* STRUCTURE FOR PATH *******************************************************)
-
-(* Constructions with reverse ***********************************************)
-
-lemma structure_reverse (p):
- (⊗p)ᴿ = ⊗(pᴿ).
-#p elim p -p //
-* [ #n ] #p #IH <reverse_lcons //
-[ <structure_d_sn <structure_d_dx //
-| <structure_m_sn <structure_m_dx //
-]
-qed.