src/FOL/cladata.ML
author wenzelm
Thu, 09 Jul 2009 22:09:58 +0200
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(*  Title:      FOL/cladata.ML
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    Author:     Tobias Nipkow
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    Copyright   1996  University of Cambridge
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Setting up the classical reasoner.
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*)
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(*** Applying ClassicalFun to create a classical prover ***)
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structure Classical_Data = 
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struct
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  val imp_elim  = @{thm imp_elim}
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  val not_elim  = @{thm notE}
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  val swap      = @{thm swap}
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  val classical = @{thm classical}
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  val sizef     = size_of_thm
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  val hyp_subst_tacs=[hyp_subst_tac]
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end;
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structure Cla = ClassicalFun(Classical_Data);
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structure BasicClassical: BASIC_CLASSICAL = Cla; open BasicClassical;
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ML_Antiquote.value "claset" (Scan.succeed "Cla.local_claset_of (ML_Context.the_local_context ())");
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(*Propositional rules*)
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val prop_cs = empty_cs
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  addSIs [@{thm refl}, @{thm TrueI}, @{thm conjI}, @{thm disjCI}, @{thm impI},
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    @{thm notI}, @{thm iffI}]
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  addSEs [@{thm conjE}, @{thm disjE}, @{thm impCE}, @{thm FalseE}, @{thm iffCE}];
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(*Quantifier rules*)
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val FOL_cs = prop_cs addSIs [@{thm allI}, @{thm ex_ex1I}] addIs [@{thm exI}]
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                     addSEs [@{thm exE}, @{thm alt_ex1E}] addEs [@{thm allE}];
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val cla_setup = Cla.map_claset (K FOL_cs);