Sat, 07 Feb 1998 14:39:35 +0100 paulson Tidying; rotate_prems; moved freeze_thaw from tactic.ML
Sat, 07 Feb 1998 14:38:57 +0100 paulson AC and other rewrite rules for Un and Int
Sat, 07 Feb 1998 14:38:15 +0100 paulson auto update
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