Wed, 06 Dec 2000 17:03:26 +0100 bauerg some derived properties;
Wed, 06 Dec 2000 13:59:42 +0100 bauerg HOL/Real: "rinv" and "hrinv" replaced by overloaded "inverse" function;
Wed, 06 Dec 2000 13:22:58 +0100 nipkow *** empty log message ***
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