+++ /dev/null
-(* Copyright (C) 2000, 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 rec sub_ex v1 v2 =
- match v1,v2 with
- [],_ -> true
- | _,[] -> false
- | s1::_, s2::_ when s1 < s2 -> false
- | s1::_, s2::tl2 when s2 < s1 -> sub_ex v1 tl2
- | s1::tl1, s2::tl2 -> sub_ex tl1 tl2
-;;
-
-(* DEBUGGING ONLY
-let sub_ex v1 v2 =
- let b = sub_ex v1 v2 in
- prerr_endline
- ("SUB({" ^ String.concat "," v1 ^ "},{" ^ String.concat "," v2 ^"}) = " ^
- if b then "tt" else "ff") ;
- b
-;; *)