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[helm.git] / components / library / cicElim.mli

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+(* Copyright (C) 2004, 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://helm.cs.unibo.it/
+ *)
+
+  (** can't build the required elimination principle (e.g. elimination from Prop
+  * to Set *)
+exception Can_t_eliminate
+
+  (** internal error while generating elimination principle *)
+exception Elim_failure of string Lazy.t
+
+(** @param sort target sort
+* @param uri inductive type uri
+* @param typeno inductive type number
+* @raise Failure
+* @raise Can_t_eliminate
+* @return Cic constant corresponding to the required elimination principle
+*         and its uri
+*)
+val elim_of: sort:Cic.sort -> UriManager.uri -> int -> UriManager.uri * Cic.obj