src/HOL/OrderedGroup.thy
Fri, 21 May 2004 21:16:51 +0200 wenzelm removed duplicate thms;
Tue, 18 May 2004 10:01:44 +0200 obua Modification / Installation of Provers/Arith/abel_cancel.ML for OrderedGroup.thy
Tue, 11 May 2004 20:11:08 +0200 obua changes made due to new Ring_and_Field theory
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