1 files changed, 10 insertions, 10 deletions
diff --git a/src/theory/quantifiers/alpha_equivalence.h b/src/theory/quantifiers/alpha_equivalence.h
index 99517fd2a..8e7556eb6 100644
--- a/src/theory/quantifiers/alpha_equivalence.h
+++ b/src/theory/quantifiers/alpha_equivalence.h
@@ -1,13 +1,13 @@
 /*********************                                                        */
 /*! \file alpha_equivalence.h
  ** \verbatim
- ** Original author: Andrew Reynolds
- ** Major contributors: none
- ** Minor contributors (to current version): none
+ ** Top contributors (to current version):
+ **   Andrew Reynolds, Tim King
  ** This file is part of the CVC4 project.
- ** Copyright (c) 2009-2015  New York University and The University of Iowa
- ** See the file COPYING in the top-level source directory for licensing
- ** information.\endverbatim
+ ** Copyright (c) 2009-2016 by the authors listed in the file AUTHORS
+ ** in the top-level source directory) and their institutional affiliations.
+ ** All rights reserved.  See the file COPYING in the top-level source
+ ** directory for licensing information.\endverbatim
  **
  ** \brief Alpha equivalence checking
  **/
@@ -28,14 +28,14 @@ class AlphaEquivalenceNode {
 public:
   std::map< Node, std::map< int, AlphaEquivalenceNode > > d_children;
   Node d_quant;
-  static bool registerNode( AlphaEquivalenceNode* aen, QuantifiersEngine* qe, Node q, std::vector< Node >& tt, std::vector< int >& arg_index );
+  static Node registerNode( AlphaEquivalenceNode* aen, QuantifiersEngine* qe, Node q, std::vector< Node >& tt, std::vector< int >& arg_index );
 };
 
 class AlphaEquivalenceTypeNode {
 public:
   std::map< TypeNode, std::map< int, AlphaEquivalenceTypeNode > > d_children;
   AlphaEquivalenceNode d_data;
-  static bool registerNode( AlphaEquivalenceTypeNode* aetn,
+  static Node registerNode( AlphaEquivalenceTypeNode* aetn,
                             QuantifiersEngine* qe, Node q, Node t, std::vector< TypeNode >& typs, std::map< TypeNode, int >& typ_count, int index = 0 );
 };
 
@@ -47,8 +47,8 @@ private:
 public:
   AlphaEquivalence( QuantifiersEngine* qe ) : d_qe( qe ){}
   ~AlphaEquivalence(){}
-
-  bool registerQuantifier( Node q );
+  /** reduce quantifier, return value (if non-null) is lemma justifying why q ia reducible. */
+  Node reduceQuantifier( Node q );
 };
 
 }