diff -r 25f544b077f9 -r 92a3600e50e4 ProgTutorial/ROOT.ML
--- a/ProgTutorial/ROOT.ML	Tue Jun 19 05:17:46 2012 +0100
+++ b/ProgTutorial/ROOT.ML	Tue Jun 19 15:02:22 2012 +0100
@@ -29,6 +29,7 @@
 use_thy "Recipes/ExternalSolver";
 use_thy "Recipes/Oracle";
 use_thy "Recipes/Sat";
+use_thy "Recipes/Introspection";
 use_thy "Recipes/USTypes";
 
 use_thy "Solutions";