Thu, 30 Aug 2007 21:43:31 +0200 added constant sgn
nipkow [Thu, 30 Aug 2007 21:43:31 +0200] rev 24491
added constant sgn
Thu, 30 Aug 2007 21:43:08 +0200 added lemma
nipkow [Thu, 30 Aug 2007 21:43:08 +0200] rev 24490
added lemma
Thu, 30 Aug 2007 17:09:02 +0200 added some more entries;
wenzelm [Thu, 30 Aug 2007 17:09:02 +0200] rev 24489
added some more entries;
Thu, 30 Aug 2007 15:04:50 +0200 turned type_check into separate typ/term_check;
wenzelm [Thu, 30 Aug 2007 15:04:50 +0200] rev 24488
turned type_check into separate typ/term_check; tuned sifnature;
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