src/HOL/SAT.thy
2012-10-31 blanchet moved "SAT" before "FunDef" and moved back all SAT-related ML files to where they belong
2012-10-31 blanchet moved Refute to "HOL/Library" to speed up building "Main" even more
2012-08-22 wenzelm prefer ML_file over old uses;
2012-01-03 blanchet tuned Refute
2010-09-02 blanchet use definitional CNFs in Metis rather than plain CNF, following a suggestion by Joe Hurd;
2009-12-14 blanchet added "no_assms" option to Refute, and include structured proof assumptions by default;
2009-07-27 wenzelm proper context for SAT tactics;
2009-03-16 wenzelm simplified method setup;
2009-03-13 wenzelm unified type Proof.method and pervasive METHOD combinators;
2008-04-02 haftmann tuned imports
2006-11-29 wenzelm simplified method setup;
2005-10-09 webertj Tactics sat and satx reimplemented, several improvements
2005-09-29 wenzelm explicit dependencies of SAT vs. Refute;
2005-09-24 webertj sat_solver.ML not loaded anymore (already loaded by Refute.thy)
2005-09-24 webertj cnf_struct renamed to cnf
2005-09-24 obua preliminary fix of HOL build problem
2005-09-23 webertj new sat tactic imports resolution proofs from zChaff
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