src/HOL/Tools/Meson/meson_tactic.ML
author wenzelm
Sat, 07 Apr 2012 16:41:59 +0200
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child 58817 4cd778c91fdc
permissions -rw-r--r--
explicit checks stable_finished_theory/stable_command allow parallel asynchronous command transactions; tuned;
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(*  Title:      HOL/Tools/Meson/meson_tactic.ML
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    Author:     Jia Meng, Cambridge University Computer Laboratory and NICTA
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    Author:     Jasmin Blanchette, TU Muenchen
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The "meson" proof method for HOL.
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*)
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signature MESON_TACTIC =
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sig
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  val meson_general_tac : Proof.context -> thm list -> int -> tactic
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  val setup: theory -> theory
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end;
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structure Meson_Tactic : MESON_TACTIC =
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struct
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open Meson_Clausify
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fun meson_general_tac ctxt ths =
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  let val ctxt' = put_claset HOL_cs ctxt
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  in Meson.meson_tac ctxt' (maps (snd o cnf_axiom ctxt' false true 0) ths) end
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val setup =
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  Method.setup @{binding meson} (Attrib.thms >> (fn ths => fn ctxt =>
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     SIMPLE_METHOD' (CHANGED_PROP o meson_general_tac ctxt ths)))
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     "MESON resolution proof procedure"
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end;