Wed, 14 Jul 1999 13:06:08 +0200 tuned contradiction method;
wenzelm [Wed, 14 Jul 1999 13:06:08 +0200] rev 7004
tuned contradiction method; improved comments;
Wed, 14 Jul 1999 13:05:46 +0200 improved comment;
wenzelm [Wed, 14 Jul 1999 13:05:46 +0200] rev 7003
improved comment;
Wed, 14 Jul 1999 13:05:28 +0200 more marg_comments;
wenzelm [Wed, 14 Jul 1999 13:05:28 +0200] rev 7002
more marg_comments;
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