diff --git a/prism/src/explicit/IndexedSet.java b/prism/src/explicit/IndexedSet.java
index e23530d0..5a67c1b4 100644
--- a/prism/src/explicit/IndexedSet.java
+++ b/prism/src/explicit/IndexedSet.java
@@ -84,6 +84,14 @@ public class IndexedSet<T>
 		return set.size();
 	}
 
+	/**
+	 * Get access to the underlying set of map entries. 
+	 */
+	public Set<Map.Entry<T, Integer>> getEntrySet()
+	{
+		return set.entrySet();
+	}
+	
 	/**
 	 * Create an ArrayList of the states, ordered by index.
 	 */