Thu, 09 Jul 2009 22:13:19 +0200 wenzelm removed obsolete CVS Ids;
Thu, 09 Jul 2009 22:09:58 +0200 wenzelm removed obsolete CVS Ids;
Thu, 09 Jul 2009 22:04:10 +0200 wenzelm merged
Thu, 09 Jul 2009 22:02:24 +0200 wenzelm recovered some proofs broken in 0314441a53a6;
Thu, 09 Jul 2009 22:01:41 +0200 wenzelm renamed functor TableFun to Table, and GraphFun to Graph;
Thu, 09 Jul 2009 17:34:59 +0200 krauss move rel_pow_commute: "R O R ^^ n = R ^^ n O R" to Transitive_Closure
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