Wed, 23 Jul 1997 11:04:19 +0200 wenzelm improved simp tracing;
Wed, 23 Jul 1997 11:03:54 +0200 wenzelm added simplification meta rules;
Wed, 23 Jul 1997 10:34:18 +0200 wenzelm tmp fix to accomodate rep_ss changes;
Wed, 23 Jul 1997 10:22:48 +0200 wenzelm added rewrite_thm;
Wed, 23 Jul 1997 10:22:30 +0200 wenzelm tuned apsome;
Tue, 22 Jul 1997 19:33:52 +0200 wenzelm added error_msg;
Tue, 22 Jul 1997 19:33:30 +0200 wenzelm tuned error / warning;
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