Thu, 22 Oct 2009 10:45:33 +0200 Cezary Kaliszyk More proof
Thu, 22 Oct 2009 10:38:00 +0200 Cezary Kaliszyk Got rid of instantiations in the proof
Thu, 22 Oct 2009 06:51:27 +0200 Cezary Kaliszyk Removed some debugging messages
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