Thu, 29 Jul 2010 15:50:26 +0200 blanchet generate correct names for "$true" and "$false";
Thu, 29 Jul 2010 15:37:27 +0200 blanchet don't assume canonical rule format
Thu, 29 Jul 2010 14:53:55 +0200 blanchet avoid "clause" and "cnf" terminology where it no longer makes sense
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