- added Ring tactic on reals

[helm.git] / helm / gTopLevel / logicalOperations.ml

diff --git a/helm/gTopLevel/logicalOperations.ml b/helm/gTopLevel/logicalOperations.ml
index 074e66c806da7ece2f4e1735603b3bc7378ee594..9144f4740e1aa52e31b71c9c978e1ab0e269947c 100644 (file)
--- a/helm/gTopLevel/logicalOperations.ml
+++ b/helm/gTopLevel/logicalOperations.ml
@@ -1,3 +1,28 @@
+(* Copyright (C) 2002, HELM Team.
+ * 
+ * This file is part of HELM, an Hypertextual, Electronic
+ * Library of Mathematics, developed at the Computer Science
+ * Department, University of Bologna, Italy.
+ * 
+ * HELM is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * 
+ * HELM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with HELM; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA  02111-1307, USA.
+ * 
+ * For details, see the HELM World-Wide-Web page,
+ * http://cs.unibo.it/helm/.
+ *)
+
 let get_parent id ids_to_terms ids_to_father_ids =
  match Hashtbl.find ids_to_father_ids id with
     None -> None