--- a/src/HOL/Library/Library.thy Tue Aug 02 10:36:50 2011 +0200 +++ b/src/HOL/Library/Library.thy Tue Aug 02 11:52:57 2011 +0200 @@ -61,6 +61,7 @@ Sum_of_Squares Transitive_Closure_Table Univ_Poly + Wfrec While_Combinator Zorn begin