Thu, 10 Feb 2005 13:01:46 +0100 paulson simplified a key lemma for foldSet
Thu, 10 Feb 2005 12:06:40 +0100 ballarin Toplevel.debug for debugging in Isar.
Thu, 10 Feb 2005 11:19:03 +0100 berghofe Fixed bug in select_thm.
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