Sun, 27 Sep 2009 19:39:40 +0200 wenzelm reachable: recovered reverse post-order (lost in 73ad4884441f), which is expected for all_preds/all_succs and required for topological_order;
Fri, 25 Sep 2009 13:48:27 +0100 paulson merged
Fri, 25 Sep 2009 13:47:28 +0100 paulson New lemmas involving the real numbers, especially limits and series
Fri, 25 Sep 2009 10:20:03 +0200 haftmann NEWS; corrected spelling
Fri, 25 Sep 2009 09:50:31 +0200 haftmann merged
Wed, 23 Sep 2009 16:32:53 +0200 haftmann simplified proof
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