Fri, 08 Mar 2002 10:57:53 +0100 paulson for rail v 1.2
Thu, 07 Mar 2002 23:41:30 +0100 wenzelm renamed nat_number_of to nat_number (avoid clash with separate theorem);
Thu, 07 Mar 2002 23:21:19 +0100 wenzelm tuned;
Thu, 07 Mar 2002 22:52:07 +0100 wenzelm *** empty log message ***
Thu, 07 Mar 2002 19:07:56 +0100 wenzelm tuned;
Thu, 07 Mar 2002 19:04:00 +0100 wenzelm tuned;
Thu, 07 Mar 2002 12:03:43 +0100 berghofe - made modes_of more robust
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