Fri, 13 Apr 2012 11:45:30 +0200 Andreas Lochbihler move RBT implementation into type class contexts
Fri, 13 Apr 2012 12:09:25 +0200 wenzelm misc tuning;
Fri, 13 Apr 2012 09:17:01 +0200 bulwahn NEWS
Thu, 12 Apr 2012 23:51:36 +0200 krauss merged
Thu, 12 Apr 2012 23:15:34 +0200 krauss distributivity of * over Un and UNION
Thu, 12 Apr 2012 23:07:01 +0200 krauss Set_Algebras: removed syntax \<oplus> and \<otimes>, in favour of plain + and *
Thu, 12 Apr 2012 22:55:11 +0200 krauss removed "setsum_set", now subsumed by generic setsum
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