Thu, 13 Mar 2014 20:06:29 +0000 Christian Urban added original Separation_Algebra theory
Thu, 06 Mar 2014 15:28:20 +0000 Christian Urban version for Isabelle 2013-2
Thu, 06 Mar 2014 13:28:38 +0000 Christian Urban initial commit for Isabelle 2013-1
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