Mon, 21 Feb 2005 15:04:10 +0100 nipkow comprehensive cleanup, replacing sumr by setsum
Sat, 19 Feb 2005 18:44:34 +0100 dixon lucas - re-arranged code and added comments. Also added check to make sure the subgoal that we are being applied to exists. If it does not, empty seq is returned.
Fri, 18 Feb 2005 15:20:27 +0100 nipkow continued eliminating sumr
Fri, 18 Feb 2005 11:48:53 +0100 nipkow starting to get rid of sumr
Fri, 18 Feb 2005 11:48:42 +0100 nipkow tuning
Wed, 16 Feb 2005 19:00:49 +0100 nipkow *** empty log message ***
Tue, 15 Feb 2005 16:56:15 +0100 berghofe refine now provides specific cases "goal1" ... "goaln" for addressing
Mon, 14 Feb 2005 10:24:58 +0100 paulson simplified a proof
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