branch for universe

[helm.git] / components / cic_proof_checking / cicReduction.mli

diff --git a/components/cic_proof_checking/cicReduction.mli b/components/cic_proof_checking/cicReduction.mli
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+(* 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/.
+ *)
+
+exception WrongUriToInductiveDefinition
+exception ReferenceToConstant
+exception ReferenceToVariable
+exception ReferenceToCurrentProof
+exception ReferenceToInductiveDefinition
+val fdebug : int ref
+val whd : 
+  ?delta:bool -> ?subst:Cic.substitution -> Cic.context -> Cic.term -> Cic.term
+val are_convertible : 
+  ?subst:Cic.substitution -> ?metasenv:Cic.metasenv -> 
+  Cic.context -> Cic.term -> Cic.term -> CicUniv.universe_graph -> 
+  bool * CicUniv.universe_graph
+val normalize:
+  ?delta:bool -> ?subst:Cic.substitution -> Cic.context -> Cic.term -> Cic.term
+ 
+(* performs head beta/(delta)/cast reduction; the default is to not perform
+   delta reduction; if provided, ~upto is the maximum number of beta redexes
+   reduced *)
+val head_beta_reduce: ?delta:bool -> ?upto:int -> Cic.term -> Cic.term