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diff --git a/src/util/triple.h b/src/util/triple.h
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+/*********************                                                        */
+/*! \file triple.h
+ ** \verbatim
+ ** Original author: mdeters
+ ** Major contributors: none
+ ** Minor contributors (to current version): none
+ ** This file is part of the CVC4 prototype.
+ ** Copyright (c) 2009, 2010  The Analysis of Computer Systems Group (ACSys)
+ ** Courant Institute of Mathematical Sciences
+ ** New York University
+ ** See the file COPYING in the top-level source directory for licensing
+ ** information.\endverbatim
+ **
+ ** \brief Similar to std::pair<>, for triples
+ **
+ ** Similar to std::pair<>, for triples.
+ **/
+
+#include "cvc4_private.h"
+
+#ifndef __CVC4__TRIPLE_H
+#define __CVC4__TRIPLE_H
+
+namespace CVC4 {
+
+template <class T1, class T2, class T3>
+class triple {
+public:
+  T1 first;
+  T2 second;
+  T3 third;
+};
+
+template <class T1, class T2, class T3>
+inline triple<T1, T2, T3>
+make_triple(const T1& t1, const T2& t2, const T3& t3) {
+  return triple<T1, T2, T3>(t1, t2, t3);
+}
+
+}/* CVC4 namespace */
+
+#endif /* __CVC4__TRIPLE_H */