Fri, 23 Dec 2005 15:16:44 +0100 wenzelm proper treatment of nested conjunctions, i.e. simultaneous goals and mutual rules;
Fri, 23 Dec 2005 14:33:28 +0100 haftmann is_prefix
Thu, 22 Dec 2005 19:08:15 +0100 haftmann slight improvements
Thu, 22 Dec 2005 17:57:09 +0100 nipkow more lemmas
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