2009-02-06 chaieb 2009-02-06 fixed Proofs and dependencies ; Theory Dense_Linear_Order moved to Library
2009-01-28 nipkow 2009-01-28 Replaced group_ and ring_simps by algebra_simps; removed compare_rls - use algebra_simps now
2008-12-29 haftmann 2008-12-29 adapted HOL source structure to distribution layout
2008-12-03 haftmann 2008-12-03 made repository layout more coherent with logical distribution structure; stripped some $Id$s