(*  Title:      HOL/ATP_Linkup.thy

    Author:     Lawrence C Paulson

    Author:     Jia Meng, NICTA

    Author:     Fabian Immler, TUM

*)

header {* The Isabelle-ATP Linkup *}

theory ATP_Linkup

imports Divides Record Hilbert_Choice

uses

  "Tools/polyhash.ML"

  "Tools/res_clause.ML"

  ("Tools/res_axioms.ML")

  ("Tools/res_hol_clause.ML")

  ("Tools/res_reconstruct.ML")

  ("Tools/res_atp.ML")

  ("Tools/atp_manager.ML")

  ("Tools/atp_wrapper.ML")

  "~~/src/Tools/Metis/metis.ML"

  ("Tools/metis_tools.ML")

begin

definition COMBI :: "'a => 'a"

  where "COMBI P == P"

definition COMBK :: "'a => 'b => 'a"

  where "COMBK P Q == P"

definition COMBB :: "('b => 'c) => ('a => 'b) => 'a => 'c"

  where "COMBB P Q R == P (Q R)"

definition COMBC :: "('a => 'b => 'c) => 'b => 'a => 'c"

  where "COMBC P Q R == P R Q"

definition COMBS :: "('a => 'b => 'c) => ('a => 'b) => 'a => 'c"

  where "COMBS P Q R == P R (Q R)"

definition fequal :: "'a => 'a => bool"

  where "fequal X Y == (X=Y)"

lemma fequal_imp_equal: "fequal X Y ==> X=Y"

  by (simp add: fequal_def)

lemma equal_imp_fequal: "X=Y ==> fequal X Y"

  by (simp add: fequal_def)

text{*These two represent the equivalence between Boolean equality and iff.

They can't be converted to clauses automatically, as the iff would be

expanded...*}

lemma iff_positive: "P | Q | P=Q"

by blast

lemma iff_negative: "~P | ~Q | P=Q"

by blast

text{*Theorems for translation to combinators*}

lemma abs_S: "(%x. (f x) (g x)) == COMBS f g"

apply (rule eq_reflection)

apply (rule ext) 

apply (simp add: COMBS_def) 

done

lemma abs_I: "(%x. x) == COMBI"

apply (rule eq_reflection)

apply (rule ext) 

apply (simp add: COMBI_def) 

done

lemma abs_K: "(%x. y) == COMBK y"

apply (rule eq_reflection)

apply (rule ext) 

apply (simp add: COMBK_def) 

done

lemma abs_B: "(%x. a (g x)) == COMBB a g"

apply (rule eq_reflection)

apply (rule ext) 

apply (simp add: COMBB_def) 

done

lemma abs_C: "(%x. (f x) b) == COMBC f b"

apply (rule eq_reflection)

apply (rule ext) 

apply (simp add: COMBC_def) 

done

subsection {* Setup of external ATPs *}

use "Tools/res_axioms.ML" setup ResAxioms.setup

use "Tools/res_hol_clause.ML"

use "Tools/res_reconstruct.ML" setup ResReconstruct.setup

use "Tools/res_atp.ML"

use "Tools/atp_manager.ML"

use "Tools/atp_wrapper.ML"

text {* basic provers *}

setup {* AtpManager.add_prover "spass" AtpWrapper.spass *}

setup {* AtpManager.add_prover "vampire" AtpWrapper.vampire *}

setup {* AtpManager.add_prover "e" AtpWrapper.eprover *}

text {* provers with stuctured output *}

setup {* AtpManager.add_prover "vampire_full" AtpWrapper.vampire_full *}

setup {* AtpManager.add_prover "e_full" AtpWrapper.eprover_full *}

text {* on some problems better results *}

setup {* AtpManager.add_prover "spass_no_tc" (AtpWrapper.spass_opts 40 false) *}

text {* remote provers via SystemOnTPTP *}

setup {* AtpManager.add_prover "remote_vampire"

  (AtpWrapper.remote_prover "-s Vampire---9.0") *}

setup {* AtpManager.add_prover "remote_spass"

  (AtpWrapper.remote_prover "-s SPASS---3.01") *}

setup {* AtpManager.add_prover "remote_e"

  (AtpWrapper.remote_prover "-s EP---1.0") *}

subsection {* The Metis prover *}

use "Tools/metis_tools.ML"

setup MetisTools.setup

end