src/HOL/SAT.thy
author haftmann
Fri, 15 Feb 2013 08:31:31 +0100
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two target language numeral types: integer and natural, as replacement for code_numeral; former theory HOL/Library/Code_Numeral_Types replaces HOL/Code_Numeral; refined stack of theories implementing int and/or nat by target language numerals; reduced number of target language numeral types to exactly one
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(*  Title:      HOL/SAT.thy
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    Author:     Alwen Tiu, Tjark Weber
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    Copyright   2005
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Basic setup for the 'sat' and 'satx' tactics.
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*)
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header {* Reconstructing external resolution proofs for propositional logic *}
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theory SAT
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imports HOL
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begin
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ML_file "Tools/prop_logic.ML"
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ML_file "Tools/sat_solver.ML"
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ML_file "Tools/sat_funcs.ML"
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ML {* structure sat = SATFunc(cnf) *}
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method_setup sat = {* Scan.succeed (SIMPLE_METHOD' o sat.sat_tac) *}
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  "SAT solver"
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method_setup satx = {* Scan.succeed (SIMPLE_METHOD' o sat.satx_tac) *}
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  "SAT solver (with definitional CNF)"
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end