Thu, 10 Jan 2013 21:22:11 +0100 noschinl added some ereal_of_enat_* lemmas (from $AFP/thys/Girth_Chromatic)
Fri, 11 Jan 2013 08:17:47 +0100 haftmann explicit references avoid dynamic lookup
Fri, 11 Jan 2013 08:17:39 +0100 haftmann sharing of recursive results on evaluation
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