Sun, 20 Sep 2009 05:48:49 +0100 Ning some more beautification
Sun, 20 Sep 2009 05:18:36 +0100 Ning beautification of some proofs
Fri, 18 Sep 2009 17:30:33 +0200 Cezary Kaliszyk Added more useful quotient facts.
Fri, 18 Sep 2009 13:44:06 +0200 Cezary Kaliszyk Testing the tactic further.
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