Thu, 20 Nov 2003 10:42:00 +0100 paulson conversion of Integ/Int_lemmas.ML to Isar script
Thu, 20 Nov 2003 10:41:39 +0100 paulson including 0 ~= 1 in definition of Field
Wed, 19 Nov 2003 14:29:06 +0100 paulson additions to Ring_and_Field
Tue, 18 Nov 2003 11:03:56 +0100 paulson fixed a comment
Tue, 18 Nov 2003 11:03:33 +0100 paulson new theorems for Rings
Tue, 18 Nov 2003 11:01:52 +0100 paulson conversion of ML to Isar scripts
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