+++ /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 "basics/logic.ma".
-include "ground_2A/notation/xoa/false_0.ma".
-include "ground_2A/notation/xoa/true_0.ma".
-include "ground_2A/xoa/xoa.ma".
-
-interpretation "logical false" 'false = False.
-
-interpretation "logical true" 'true = True.