Mon, 12 Mar 2001 18:23:11 +0100 nipkow *** empty log message ***
Mon, 12 Mar 2001 18:17:45 +0100 nipkow *** empty log message ***
Fri, 09 Mar 2001 19:05:48 +0100 nipkow arith_tac now copes with propositional reasoning as well.
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