X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Fparamodulation%2Fdiscrimination_tree.ml;h=d73eb9c3a2bac8f9cab0c8dfa767309c26c76981;hb=97c2d258a5c524eb5c4b85208899d80751a2c82f;hp=56e8bd44af404f5596fb6586e540e403c77af3dc;hpb=61380673d7cff22e19041260cbba4a9cbf5c09c5;p=helm.git

diff --git a/helm/ocaml/paramodulation/discrimination_tree.ml b/helm/ocaml/paramodulation/discrimination_tree.ml
index 56e8bd44a..d73eb9c3a 100644
--- a/helm/ocaml/paramodulation/discrimination_tree.ml
+++ b/helm/ocaml/paramodulation/discrimination_tree.ml
@@ -1,3 +1,28 @@
+(* Copyright (C) 2005, 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/.
+ *)
+
 type path_string_elem = Cic.term;;
 type path_string = path_string_elem list;;
 
@@ -134,7 +159,6 @@ let in_index tree equality =
 
 let head_of_term = function
   | Cic.Appl (hd::tl) -> hd
-(*   | Cic.Meta _ -> Cic.Implicit None *)
   | term -> term
 ;;