--- a/src/HOL/Ring_and_Field.thy Tue Aug 17 11:00:24 2004 +0200
+++ b/src/HOL/Ring_and_Field.thy Wed Aug 18 11:09:40 2004 +0200
@@ -6,7 +6,7 @@
header {* (Ordered) Rings and Fields *}
theory Ring_and_Field
-import OrderedGroup
+imports OrderedGroup
begin
text {*