Wed, 14 Sep 2005 22:04:37 +0200 wenzelm imports Commutative_Ring;
Wed, 14 Sep 2005 22:04:36 +0200 wenzelm HOL: method comm_ring;
Wed, 14 Sep 2005 22:04:35 +0200 wenzelm tuned;
Wed, 14 Sep 2005 22:04:34 +0200 wenzelm no longer prefer xemacs, which fails more often than GNU emacs;
Wed, 14 Sep 2005 22:04:33 +0200 wenzelm Bernhard Haeupler: comm_ring;
Wed, 14 Sep 2005 21:44:27 +0200 chaieb tactic and the rest eliminated, just the theory....
Wed, 14 Sep 2005 21:35:46 +0200 chaieb use was wrong...
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