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diff --git a/examples/api/helloworld.cpp b/examples/api/helloworld.cpp
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+/*********************                                                        */
+/*! \file helloworld.cpp
+ ** \verbatim
+ ** Original author: taking
+ ** Major contributors: none
+ ** Minor contributors (to current version): none
+ ** This file is part of the CVC4 prototype.
+ ** Copyright (c) 2009, 2010, 2011  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 A very simple CVC4 example
+ **
+ ** A very simple CVC4 tutorial example.
+ **/
+
+#include <iostream>
+#warning "To use helloworld.cpp as given in the wiki, instead of make examples, change the following two includes lines."
+#include "smt/smt_engine.h" // for use with make examples
+//#include <cvc4/cvc4.h> // To follow the wiki
+using namespace CVC4;
+int main() {
+  ExprManager em;
+  Expr helloworld = em.mkVar("Hello World!", em.booleanType());
+  SmtEngine smt(&em);
+  std::cout << helloworld << " is " << smt.query(helloworld) << std::endl;
+  return 0;
+}