src/HOL/Tools/cnf_funcs.ML
Wed, 31 Dec 2008 00:08:13 +0100 wenzelm moved old add_term_vars, add_term_frees etc. to structure OldTerm;
Wed, 19 Mar 2008 22:47:39 +0100 wenzelm avoid Auto_tac;
Thu, 11 Oct 2007 15:59:31 +0200 paulson rationalized redundant code
Wed, 29 Nov 2006 04:11:09 +0100 wenzelm simplified Logic.count_prems;
Fri, 15 Sep 2006 22:56:08 +0200 wenzelm tuned;
Wed, 30 Aug 2006 16:27:53 +0200 webertj faster clause representation (again): full CNF formula as a hypothesis, instead of separate clauses
Fri, 10 Mar 2006 16:31:50 +0100 webertj clauses now use (meta-)hyps instead of (meta-)implications; significant speedup
Sun, 09 Oct 2005 17:06:03 +0200 webertj Tactics sat and satx reimplemented, several improvements
Fri, 23 Sep 2005 22:58:50 +0200 webertj new sat tactic imports resolution proofs from zChaff
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