Thu, 24 Jul 1997 11:20:12 +0200 nipkow Deleted comment.
Thu, 24 Jul 1997 11:13:12 +0200 nipkow Replaced clumsy rewriting by the new function simplify on thms.
Thu, 24 Jul 1997 11:12:18 +0200 nipkow List.ML: added lemmas by Stefan Merz.
Thu, 24 Jul 1997 10:46:32 +0200 paulson set_of_list -> set
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