Wed, 11 Feb 2015 18:16:33 +0100 wenzelm proper context;
Wed, 11 Feb 2015 11:42:39 +0100 wenzelm proper context;
Wed, 11 Feb 2015 11:26:17 +0100 wenzelm proper context;
Wed, 11 Feb 2015 11:18:36 +0100 wenzelm proper context;
Wed, 11 Feb 2015 10:54:53 +0100 wenzelm proper context and method setup;
Thu, 12 Feb 2015 12:46:50 +0000 paulson new lemmas re refinement of one equivalence relation WRT another
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