--- a/src/HOL/Library/Eval_Witness.thy Mon Mar 23 08:14:23 2009 +0100
+++ b/src/HOL/Library/Eval_Witness.thy Mon Mar 23 08:14:24 2009 +0100
@@ -5,7 +5,7 @@
header {* Evaluation Oracle with ML witnesses *}
theory Eval_Witness
-imports Plain "~~/src/HOL/List"
+imports List Main
begin
text {*