--- a/model/comments/issue-331-Khalid.txt	Tue Apr 17 16:17:32 2012 +0100
+++ b/model/comments/issue-331-Khalid.txt	Tue Apr 17 16:26:46 2012 +0100
@@ -147,8 +147,6 @@
 attributes.
 
 
-What you suggest can be expressed with 
-derivedByInsertionFrom(c1, c0, {("k1", e1), ("k2", e2), ...})       
-where c0 is an empty collection.
+We have added an optional attribute complete to the relation membship
+to address this specific point.
 
-Do we need another relation for this?