Tue, 25 Jul 2000 00:13:49 +0200 added clarify method;
wenzelm [Tue, 25 Jul 2000 00:13:49 +0200] rev 9441
added clarify method; removed unofficial improper methods;
Tue, 25 Jul 2000 00:13:11 +0200 added clarsimp method;
wenzelm [Tue, 25 Jul 2000 00:13:11 +0200] rev 9440
added clarsimp method;
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