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+(**************************************************************************)
+(*       ___                                                              *)
+(*      ||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 "coq.ma".
+
+
+(* commento che va nell'ast, ma non viene contato
+    come step perche' non e' un executable
+*)
+
+alias num (instance 0) = "natural number".
+alias symbol "eq" (instance 0) = "Coq's leibnitz's equality".
+theorem a:0=0.
+
+(* nota *)
+(**
+
+
+apply Prop.
+*)
+apply cic:/Coq/Init/Logic/eq.ind#xpointer(1/1/1). 
+
+(* commenti che non devono essere colorati perche'
+   non c'e' nulla di eseguibile dopo di loro
+*)
+qed.