--- a/src/HOL/Library/Permutation.thy Tue Mar 26 19:43:31 2013 +0100
+++ b/src/HOL/Library/Permutation.thy Tue Mar 26 20:02:02 2013 +0100
@@ -5,7 +5,7 @@
header {* Permutations *}
theory Permutation
-imports Main Multiset
+imports Multiset
begin
inductive