--- tuple-set.cc	2008-12-13 12:31:17.000000000 -0500
+++ tuple-set.cc.new	2008-12-13 12:31:40.000000000 -0500
@@ -47,31 +47,31 @@
   class FullTupleCompare {
     int arity;
   public:
     forceinline
     FullTupleCompare(int a) : arity(a) {}
     forceinline bool
     operator()(const Tuple& a, const Tuple& b) {
       for (int i = 0; i < arity; ++i) {
         if (a[i] < b[i]) {
           return true;
         }
         if (a[i] > b[i]) {
           return false;
         }
       }
-      return true;
+      return false;
     }
   };
 
   /**
    * \brief Tuple compared lexicographically on (element pos, full
    * order).
    *
    * Assumes that the tuples are sorted in order in memory.
    */
   class TuplePosCompare {
   private:
     int pos;
   public:
     forceinline
     TuplePosCompare(int p) : pos(p) {}