Thu, 13 Apr 2000 15:18:02 +0200 paulson added some new iff-lemmas; removed some obsolete thms
Thu, 13 Apr 2000 15:16:32 +0200 paulson tidied
Thu, 13 Apr 2000 15:11:41 +0200 wenzelm tuned;
Thu, 13 Apr 2000 15:02:57 +0200 nipkow *** empty log message ***
Thu, 13 Apr 2000 15:02:02 +0200 wenzelm Simplifier options;
Thu, 13 Apr 2000 15:01:50 +0200 nipkow Times -> <*>
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