Sat, 15 Mar 2008 18:08:54 +0100 wenzelm removed obsolete PureThy.thms_containing;
Sat, 15 Mar 2008 18:08:04 +0100 wenzelm replaced obsolete FactIndex.T by Facts.T;
Sat, 15 Mar 2008 18:08:03 +0100 wenzelm more precise Author line;
Sat, 15 Mar 2008 18:08:02 +0100 wenzelm replaced obsolete FactIndex.T by Facts.T (cumulative version, assumes that facts are only added to unfinished theories);
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