Fri, 16 Feb 2001 13:47:06 +0100 paulson for the change to LEAST
Fri, 16 Feb 2001 13:37:21 +0100 paulson Blast bug fix made old proof too slow
Fri, 16 Feb 2001 13:29:07 +0100 paulson Blast bug fix: now always duplicates when applying a haz rule,
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