src/HOL/Library/Product_ord.thy
Thu, 25 Jan 2007 09:32:36 +0100 haftmann improved
Wed, 22 Nov 2006 10:20:18 +0100 haftmann added code lemmas
Sat, 27 May 2006 17:42:02 +0200 wenzelm tuned;
Wed, 31 Aug 2005 15:46:37 +0200 wenzelm tuned presentation;
Fri, 15 Apr 2005 14:14:24 +0200 nipkow New
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