Fri, 02 May 1997 10:18:50 +0200 paulson More tracing. hyp_subst_tac allowed to fail
Fri, 02 May 1997 10:17:44 +0200 paulson New blast_tac call: made possible by bug fix involving equality substitution
Thu, 01 May 1997 10:28:10 +0200 paulson No longer proves mutual_induct unless it is necessary.
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