Wed, 26 May 2004 14:57:06 +0200 nipkow Corrected printer bug for bounded quantifiers Q x<=y. P
Wed, 26 May 2004 11:43:50 +0200 paulson more group isomorphisms
Mon, 24 May 2004 18:35:34 +0200 nipkow added drop_take:thm
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