TSTP Solution File: LCL476+1 by CSE_E---1.5

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : CSE_E---1.5
% Problem  : LCL476+1 : TPTP v8.1.2. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -jar /export/starexec/sandbox2/solver/bin/mcs_scs.jar %d %s

% Computer : n006.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Thu Aug 31 06:54:18 EDT 2023

% Result   : Theorem 136.65s 136.64s
% Output   : CNFRefutation 136.73s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   30
%            Number of leaves      :  113
% Syntax   : Number of formulae    :  248 (  56 unt;  93 typ;   0 def)
%            Number of atoms       :  305 (  45 equ)
%            Maximal formula atoms :   10 (   1 avg)
%            Number of connectives :  278 ( 128   ~; 128   |;  10   &)
%                                         (   6 <=>;   6  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   3 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   10 (   6   >;   4   *;   0   +;   0  <<)
%            Number of predicates  :   35 (  33 usr;  33 prp; 0-2 aty)
%            Number of functors    :   60 (  60 usr;  55 con; 0-2 aty)
%            Number of variables   :  288 (  59 sgn;  40   !;   0   ?;   0   :)

% Comments : 
%------------------------------------------------------------------------------
tff(decl_22,type,
    modus_ponens: $o ).

tff(decl_23,type,
    is_a_theorem: $i > $o ).

tff(decl_24,type,
    implies: ( $i * $i ) > $i ).

tff(decl_25,type,
    substitution_of_equivalents: $o ).

tff(decl_26,type,
    equiv: ( $i * $i ) > $i ).

tff(decl_27,type,
    modus_tollens: $o ).

tff(decl_28,type,
    not: $i > $i ).

tff(decl_29,type,
    implies_1: $o ).

tff(decl_30,type,
    implies_2: $o ).

tff(decl_31,type,
    implies_3: $o ).

tff(decl_32,type,
    and_1: $o ).

tff(decl_33,type,
    and: ( $i * $i ) > $i ).

tff(decl_34,type,
    and_2: $o ).

tff(decl_35,type,
    and_3: $o ).

tff(decl_36,type,
    or_1: $o ).

tff(decl_37,type,
    or: ( $i * $i ) > $i ).

tff(decl_38,type,
    or_2: $o ).

tff(decl_39,type,
    or_3: $o ).

tff(decl_40,type,
    equivalence_1: $o ).

tff(decl_41,type,
    equivalence_2: $o ).

tff(decl_42,type,
    equivalence_3: $o ).

tff(decl_43,type,
    kn1: $o ).

tff(decl_44,type,
    kn2: $o ).

tff(decl_45,type,
    kn3: $o ).

tff(decl_46,type,
    cn1: $o ).

tff(decl_47,type,
    cn2: $o ).

tff(decl_48,type,
    cn3: $o ).

tff(decl_49,type,
    r1: $o ).

tff(decl_50,type,
    r2: $o ).

tff(decl_51,type,
    r3: $o ).

tff(decl_52,type,
    r4: $o ).

tff(decl_53,type,
    r5: $o ).

tff(decl_54,type,
    op_or: $o ).

tff(decl_55,type,
    op_and: $o ).

tff(decl_56,type,
    op_implies_and: $o ).

tff(decl_57,type,
    op_implies_or: $o ).

tff(decl_58,type,
    op_equiv: $o ).

tff(decl_59,type,
    op_implies: $o ).

tff(decl_60,type,
    esk1_0: $i ).

tff(decl_61,type,
    esk2_0: $i ).

tff(decl_62,type,
    esk3_0: $i ).

tff(decl_63,type,
    esk4_0: $i ).

tff(decl_64,type,
    esk5_0: $i ).

tff(decl_65,type,
    esk6_0: $i ).

tff(decl_66,type,
    esk7_0: $i ).

tff(decl_67,type,
    esk8_0: $i ).

tff(decl_68,type,
    esk9_0: $i ).

tff(decl_69,type,
    esk10_0: $i ).

tff(decl_70,type,
    esk11_0: $i ).

tff(decl_71,type,
    esk12_0: $i ).

tff(decl_72,type,
    esk13_0: $i ).

tff(decl_73,type,
    esk14_0: $i ).

tff(decl_74,type,
    esk15_0: $i ).

tff(decl_75,type,
    esk16_0: $i ).

tff(decl_76,type,
    esk17_0: $i ).

tff(decl_77,type,
    esk18_0: $i ).

tff(decl_78,type,
    esk19_0: $i ).

tff(decl_79,type,
    esk20_0: $i ).

tff(decl_80,type,
    esk21_0: $i ).

tff(decl_81,type,
    esk22_0: $i ).

tff(decl_82,type,
    esk23_0: $i ).

tff(decl_83,type,
    esk24_0: $i ).

tff(decl_84,type,
    esk25_0: $i ).

tff(decl_85,type,
    esk26_0: $i ).

tff(decl_86,type,
    esk27_0: $i ).

tff(decl_87,type,
    esk28_0: $i ).

tff(decl_88,type,
    esk29_0: $i ).

tff(decl_89,type,
    esk30_0: $i ).

tff(decl_90,type,
    esk31_0: $i ).

tff(decl_91,type,
    esk32_0: $i ).

tff(decl_92,type,
    esk33_0: $i ).

tff(decl_93,type,
    esk34_0: $i ).

tff(decl_94,type,
    esk35_0: $i ).

tff(decl_95,type,
    esk36_0: $i ).

tff(decl_96,type,
    esk37_0: $i ).

tff(decl_97,type,
    esk38_0: $i ).

tff(decl_98,type,
    esk39_0: $i ).

tff(decl_99,type,
    esk40_0: $i ).

tff(decl_100,type,
    esk41_0: $i ).

tff(decl_101,type,
    esk42_0: $i ).

tff(decl_102,type,
    esk43_0: $i ).

tff(decl_103,type,
    esk44_0: $i ).

tff(decl_104,type,
    esk45_0: $i ).

tff(decl_105,type,
    esk46_0: $i ).

tff(decl_106,type,
    esk47_0: $i ).

tff(decl_107,type,
    esk48_0: $i ).

tff(decl_108,type,
    esk49_0: $i ).

tff(decl_109,type,
    esk50_0: $i ).

tff(decl_110,type,
    esk51_0: $i ).

tff(decl_111,type,
    esk52_0: $i ).

tff(decl_112,type,
    esk53_0: $i ).

tff(decl_113,type,
    esk54_0: $i ).

tff(decl_114,type,
    esk55_0: $i ).

fof(modus_ponens,axiom,
    ( modus_ponens
  <=> ! [X1,X2] :
        ( ( is_a_theorem(X1)
          & is_a_theorem(implies(X1,X2)) )
       => is_a_theorem(X2) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL006+0.ax',modus_ponens) ).

fof(cn1,axiom,
    ( cn1
  <=> ! [X4,X5,X6] : is_a_theorem(implies(implies(X4,X5),implies(implies(X5,X6),implies(X4,X6)))) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL006+0.ax',cn1) ).

fof(luka_modus_ponens,axiom,
    modus_ponens,
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL006+3.ax',luka_modus_ponens) ).

fof(luka_cn1,axiom,
    cn1,
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL006+3.ax',luka_cn1) ).

fof(cn3,axiom,
    ( cn3
  <=> ! [X4] : is_a_theorem(implies(implies(not(X4),X4),X4)) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL006+0.ax',cn3) ).

fof(luka_cn3,axiom,
    cn3,
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL006+3.ax',luka_cn3) ).

fof(cn2,axiom,
    ( cn2
  <=> ! [X4,X5] : is_a_theorem(implies(X4,implies(not(X4),X5))) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL006+0.ax',cn2) ).

fof(luka_cn2,axiom,
    cn2,
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL006+3.ax',luka_cn2) ).

fof(op_implies_or,axiom,
    ( op_implies_or
   => ! [X1,X2] : implies(X1,X2) = or(not(X1),X2) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL006+1.ax',op_implies_or) ).

fof(op_and,axiom,
    ( op_and
   => ! [X1,X2] : and(X1,X2) = not(or(not(X1),not(X2))) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL006+1.ax',op_and) ).

fof(principia_op_implies_or,axiom,
    op_implies_or,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',principia_op_implies_or) ).

fof(principia_op_and,axiom,
    op_and,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',principia_op_and) ).

fof(op_or,axiom,
    ( op_or
   => ! [X1,X2] : or(X1,X2) = not(and(not(X1),not(X2))) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL006+1.ax',op_or) ).

fof(luka_op_or,axiom,
    op_or,
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL006+3.ax',luka_op_or) ).

fof(op_equiv,axiom,
    ( op_equiv
   => ! [X1,X2] : equiv(X1,X2) = and(implies(X1,X2),implies(X2,X1)) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL006+1.ax',op_equiv) ).

fof(luka_op_equiv,axiom,
    op_equiv,
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL006+3.ax',luka_op_equiv) ).

fof(substitution_of_equivalents,axiom,
    ( substitution_of_equivalents
  <=> ! [X1,X2] :
        ( is_a_theorem(equiv(X1,X2))
       => X1 = X2 ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL006+0.ax',substitution_of_equivalents) ).

fof(substitution_of_equivalents_001,axiom,
    substitution_of_equivalents,
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL006+3.ax',substitution_of_equivalents) ).

fof(r2,axiom,
    ( r2
  <=> ! [X4,X5] : is_a_theorem(implies(X5,or(X4,X5))) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LCL006+0.ax',r2) ).

fof(principia_r2,conjecture,
    r2,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',principia_r2) ).

fof(c_0_20,plain,
    ! [X7,X8] :
      ( ( ~ modus_ponens
        | ~ is_a_theorem(X7)
        | ~ is_a_theorem(implies(X7,X8))
        | is_a_theorem(X8) )
      & ( is_a_theorem(esk1_0)
        | modus_ponens )
      & ( is_a_theorem(implies(esk1_0,esk2_0))
        | modus_ponens )
      & ( ~ is_a_theorem(esk2_0)
        | modus_ponens ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[modus_ponens])])])])]) ).

fof(c_0_21,plain,
    ! [X83,X84,X85] :
      ( ( ~ cn1
        | is_a_theorem(implies(implies(X83,X84),implies(implies(X84,X85),implies(X83,X85)))) )
      & ( ~ is_a_theorem(implies(implies(esk39_0,esk40_0),implies(implies(esk40_0,esk41_0),implies(esk39_0,esk41_0))))
        | cn1 ) ),
    inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[cn1])])])]) ).

cnf(c_0_22,plain,
    ( is_a_theorem(X2)
    | ~ modus_ponens
    | ~ is_a_theorem(X1)
    | ~ is_a_theorem(implies(X1,X2)) ),
    inference(split_conjunct,[status(thm)],[c_0_20]) ).

cnf(c_0_23,plain,
    modus_ponens,
    inference(split_conjunct,[status(thm)],[luka_modus_ponens]) ).

cnf(c_0_24,plain,
    ( is_a_theorem(implies(implies(X1,X2),implies(implies(X2,X3),implies(X1,X3))))
    | ~ cn1 ),
    inference(split_conjunct,[status(thm)],[c_0_21]) ).

cnf(c_0_25,plain,
    cn1,
    inference(split_conjunct,[status(thm)],[luka_cn1]) ).

cnf(c_0_26,plain,
    ( is_a_theorem(X1)
    | ~ is_a_theorem(implies(X2,X1))
    | ~ is_a_theorem(X2) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_22,c_0_23])]) ).

cnf(c_0_27,plain,
    is_a_theorem(implies(implies(X1,X2),implies(implies(X2,X3),implies(X1,X3)))),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_24,c_0_25])]) ).

fof(c_0_28,plain,
    ! [X93] :
      ( ( ~ cn3
        | is_a_theorem(implies(implies(not(X93),X93),X93)) )
      & ( ~ is_a_theorem(implies(implies(not(esk44_0),esk44_0),esk44_0))
        | cn3 ) ),
    inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[cn3])])])]) ).

cnf(c_0_29,plain,
    ( is_a_theorem(implies(implies(X1,X2),implies(X3,X2)))
    | ~ is_a_theorem(implies(X3,X1)) ),
    inference(spm,[status(thm)],[c_0_26,c_0_27]) ).

cnf(c_0_30,plain,
    ( is_a_theorem(implies(implies(not(X1),X1),X1))
    | ~ cn3 ),
    inference(split_conjunct,[status(thm)],[c_0_28]) ).

cnf(c_0_31,plain,
    cn3,
    inference(split_conjunct,[status(thm)],[luka_cn3]) ).

fof(c_0_32,plain,
    ! [X89,X90] :
      ( ( ~ cn2
        | is_a_theorem(implies(X89,implies(not(X89),X90))) )
      & ( ~ is_a_theorem(implies(esk42_0,implies(not(esk42_0),esk43_0)))
        | cn2 ) ),
    inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[cn2])])])]) ).

cnf(c_0_33,plain,
    ( is_a_theorem(implies(X1,X2))
    | ~ is_a_theorem(implies(X3,X2))
    | ~ is_a_theorem(implies(X1,X3)) ),
    inference(spm,[status(thm)],[c_0_26,c_0_29]) ).

cnf(c_0_34,plain,
    is_a_theorem(implies(implies(not(X1),X1),X1)),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_30,c_0_31])]) ).

cnf(c_0_35,plain,
    ( is_a_theorem(implies(X1,implies(not(X1),X2)))
    | ~ cn2 ),
    inference(split_conjunct,[status(thm)],[c_0_32]) ).

cnf(c_0_36,plain,
    cn2,
    inference(split_conjunct,[status(thm)],[luka_cn2]) ).

cnf(c_0_37,plain,
    ( is_a_theorem(implies(X1,X2))
    | ~ is_a_theorem(implies(X1,implies(not(X2),X2))) ),
    inference(spm,[status(thm)],[c_0_33,c_0_34]) ).

cnf(c_0_38,plain,
    is_a_theorem(implies(X1,implies(not(X1),X2))),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_35,c_0_36])]) ).

cnf(c_0_39,plain,
    ( is_a_theorem(implies(implies(X1,X2),X2))
    | ~ is_a_theorem(implies(not(X2),X1)) ),
    inference(spm,[status(thm)],[c_0_37,c_0_29]) ).

cnf(c_0_40,plain,
    ( is_a_theorem(implies(not(X1),X2))
    | ~ is_a_theorem(X1) ),
    inference(spm,[status(thm)],[c_0_26,c_0_38]) ).

cnf(c_0_41,plain,
    ( is_a_theorem(implies(implies(X1,X2),X2))
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_39,c_0_40]) ).

cnf(c_0_42,plain,
    ( is_a_theorem(implies(X1,X2))
    | ~ is_a_theorem(implies(X1,implies(X3,X2)))
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_33,c_0_41]) ).

fof(c_0_43,plain,
    ! [X123,X124] :
      ( ~ op_implies_or
      | implies(X123,X124) = or(not(X123),X124) ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[op_implies_or])])]) ).

cnf(c_0_44,plain,
    is_a_theorem(implies(implies(implies(not(not(X1)),X2),X1),X1)),
    inference(spm,[status(thm)],[c_0_39,c_0_38]) ).

cnf(c_0_45,plain,
    ( is_a_theorem(implies(X1,X2))
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_42,c_0_38]) ).

fof(c_0_46,plain,
    ! [X119,X120] :
      ( ~ op_and
      | and(X119,X120) = not(or(not(X119),not(X120))) ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[op_and])])]) ).

cnf(c_0_47,plain,
    ( implies(X1,X2) = or(not(X1),X2)
    | ~ op_implies_or ),
    inference(split_conjunct,[status(thm)],[c_0_43]) ).

cnf(c_0_48,plain,
    op_implies_or,
    inference(split_conjunct,[status(thm)],[principia_op_implies_or]) ).

cnf(c_0_49,plain,
    ( is_a_theorem(X1)
    | ~ is_a_theorem(implies(implies(not(not(X1)),X2),X1)) ),
    inference(spm,[status(thm)],[c_0_26,c_0_44]) ).

cnf(c_0_50,plain,
    ( is_a_theorem(implies(implies(X1,X2),X2))
    | ~ is_a_theorem(X1) ),
    inference(spm,[status(thm)],[c_0_39,c_0_45]) ).

cnf(c_0_51,plain,
    ( and(X1,X2) = not(or(not(X1),not(X2)))
    | ~ op_and ),
    inference(split_conjunct,[status(thm)],[c_0_46]) ).

cnf(c_0_52,plain,
    or(not(X1),X2) = implies(X1,X2),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_47,c_0_48])]) ).

cnf(c_0_53,plain,
    op_and,
    inference(split_conjunct,[status(thm)],[principia_op_and]) ).

fof(c_0_54,plain,
    ! [X117,X118] :
      ( ~ op_or
      | or(X117,X118) = not(and(not(X117),not(X118))) ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[op_or])])]) ).

cnf(c_0_55,plain,
    ( is_a_theorem(X1)
    | ~ is_a_theorem(not(not(X1))) ),
    inference(spm,[status(thm)],[c_0_49,c_0_50]) ).

cnf(c_0_56,plain,
    not(implies(X1,not(X2))) = and(X1,X2),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_51,c_0_52]),c_0_53])]) ).

cnf(c_0_57,plain,
    ( or(X1,X2) = not(and(not(X1),not(X2)))
    | ~ op_or ),
    inference(split_conjunct,[status(thm)],[c_0_54]) ).

cnf(c_0_58,plain,
    op_or,
    inference(split_conjunct,[status(thm)],[luka_op_or]) ).

cnf(c_0_59,plain,
    ( is_a_theorem(implies(X1,X2))
    | ~ is_a_theorem(implies(X1,implies(X3,X2)))
    | ~ is_a_theorem(X3) ),
    inference(spm,[status(thm)],[c_0_33,c_0_50]) ).

cnf(c_0_60,plain,
    ( is_a_theorem(implies(X1,not(X2)))
    | ~ is_a_theorem(not(and(X1,X2))) ),
    inference(spm,[status(thm)],[c_0_55,c_0_56]) ).

cnf(c_0_61,plain,
    not(and(not(X1),not(X2))) = or(X1,X2),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_57,c_0_58])]) ).

cnf(c_0_62,plain,
    ( is_a_theorem(implies(X1,X2))
    | ~ is_a_theorem(implies(X3,X2))
    | ~ is_a_theorem(X3) ),
    inference(spm,[status(thm)],[c_0_59,c_0_45]) ).

cnf(c_0_63,plain,
    ( is_a_theorem(implies(implies(X1,implies(not(X2),X2)),X2))
    | ~ is_a_theorem(X1) ),
    inference(spm,[status(thm)],[c_0_37,c_0_50]) ).

cnf(c_0_64,plain,
    ( is_a_theorem(implies(X1,implies(not(X2),X3)))
    | ~ is_a_theorem(implies(X1,X2)) ),
    inference(spm,[status(thm)],[c_0_33,c_0_38]) ).

cnf(c_0_65,plain,
    ( is_a_theorem(implies(X1,X2))
    | ~ is_a_theorem(implies(not(X2),X2)) ),
    inference(spm,[status(thm)],[c_0_37,c_0_45]) ).

cnf(c_0_66,plain,
    ( is_a_theorem(implies(not(X1),not(not(X2))))
    | ~ is_a_theorem(or(X1,X2)) ),
    inference(spm,[status(thm)],[c_0_60,c_0_61]) ).

cnf(c_0_67,plain,
    ( is_a_theorem(implies(X1,implies(X2,X3)))
    | ~ is_a_theorem(implies(X4,X3))
    | ~ is_a_theorem(implies(X2,X4)) ),
    inference(spm,[status(thm)],[c_0_62,c_0_29]) ).

fof(c_0_68,plain,
    ! [X125,X126] :
      ( ~ op_equiv
      | equiv(X125,X126) = and(implies(X125,X126),implies(X126,X125)) ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[op_equiv])])]) ).

cnf(c_0_69,plain,
    ( is_a_theorem(implies(and(X1,X2),X3))
    | ~ is_a_theorem(implies(X1,not(X2))) ),
    inference(spm,[status(thm)],[c_0_40,c_0_56]) ).

cnf(c_0_70,plain,
    implies(and(not(X1),not(X2)),X3) = or(or(X1,X2),X3),
    inference(spm,[status(thm)],[c_0_52,c_0_61]) ).

cnf(c_0_71,plain,
    ( is_a_theorem(X1)
    | ~ is_a_theorem(implies(not(X1),X1)) ),
    inference(spm,[status(thm)],[c_0_26,c_0_34]) ).

cnf(c_0_72,plain,
    ( is_a_theorem(X1)
    | ~ is_a_theorem(implies(X2,implies(not(X1),X1)))
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_26,c_0_63]) ).

cnf(c_0_73,plain,
    ( is_a_theorem(implies(not(X1),X2))
    | ~ is_a_theorem(implies(X3,X1))
    | ~ is_a_theorem(X3) ),
    inference(spm,[status(thm)],[c_0_26,c_0_64]) ).

cnf(c_0_74,plain,
    ( is_a_theorem(implies(X1,not(not(X2))))
    | ~ is_a_theorem(implies(not(X2),X2)) ),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_65,c_0_66]),c_0_52]) ).

cnf(c_0_75,plain,
    ( is_a_theorem(implies(implies(X1,X2),X2))
    | ~ is_a_theorem(implies(X3,X1))
    | ~ is_a_theorem(X3) ),
    inference(spm,[status(thm)],[c_0_59,c_0_29]) ).

cnf(c_0_76,plain,
    ( is_a_theorem(implies(X1,implies(X2,X3)))
    | ~ is_a_theorem(implies(X2,X4))
    | ~ is_a_theorem(X3) ),
    inference(spm,[status(thm)],[c_0_67,c_0_45]) ).

cnf(c_0_77,plain,
    ( equiv(X1,X2) = and(implies(X1,X2),implies(X2,X1))
    | ~ op_equiv ),
    inference(split_conjunct,[status(thm)],[c_0_68]) ).

cnf(c_0_78,plain,
    op_equiv,
    inference(split_conjunct,[status(thm)],[luka_op_equiv]) ).

cnf(c_0_79,plain,
    ( is_a_theorem(implies(X1,X2))
    | ~ is_a_theorem(implies(X1,not(X3)))
    | ~ is_a_theorem(X3) ),
    inference(spm,[status(thm)],[c_0_33,c_0_40]) ).

cnf(c_0_80,plain,
    ( is_a_theorem(or(or(X1,X2),X3))
    | ~ is_a_theorem(implies(not(X1),not(not(X2)))) ),
    inference(spm,[status(thm)],[c_0_69,c_0_70]) ).

cnf(c_0_81,plain,
    is_a_theorem(implies(X1,X1)),
    inference(spm,[status(thm)],[c_0_37,c_0_38]) ).

cnf(c_0_82,plain,
    ( is_a_theorem(not(not(X1)))
    | ~ is_a_theorem(implies(not(X1),X1)) ),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_71,c_0_66]),c_0_52]) ).

cnf(c_0_83,plain,
    ( is_a_theorem(implies(X1,implies(not(X2),X3)))
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_62,c_0_38]) ).

cnf(c_0_84,plain,
    ( is_a_theorem(X1)
    | ~ is_a_theorem(implies(not(X1),X2))
    | ~ is_a_theorem(implies(X2,X1)) ),
    inference(spm,[status(thm)],[c_0_72,c_0_29]) ).

cnf(c_0_85,plain,
    ( is_a_theorem(implies(not(X1),X2))
    | ~ is_a_theorem(implies(not(X1),X1)) ),
    inference(spm,[status(thm)],[c_0_73,c_0_34]) ).

cnf(c_0_86,plain,
    ( is_a_theorem(implies(X1,not(not(X2))))
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_74,c_0_45]) ).

cnf(c_0_87,plain,
    ( is_a_theorem(implies(implies(X1,X2),X2))
    | ~ is_a_theorem(implies(not(X1),X1)) ),
    inference(spm,[status(thm)],[c_0_75,c_0_34]) ).

cnf(c_0_88,plain,
    ( is_a_theorem(implies(X1,implies(X2,X3)))
    | ~ is_a_theorem(X3) ),
    inference(spm,[status(thm)],[c_0_76,c_0_38]) ).

cnf(c_0_89,plain,
    or(and(X1,X2),X3) = implies(implies(X1,not(X2)),X3),
    inference(spm,[status(thm)],[c_0_52,c_0_56]) ).

cnf(c_0_90,plain,
    and(implies(X1,X2),implies(X2,X1)) = equiv(X1,X2),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_77,c_0_78])]) ).

cnf(c_0_91,plain,
    ( is_a_theorem(implies(not(X1),X2))
    | ~ is_a_theorem(or(X1,X3))
    | ~ is_a_theorem(not(X3)) ),
    inference(spm,[status(thm)],[c_0_79,c_0_66]) ).

cnf(c_0_92,plain,
    is_a_theorem(or(implies(X1,X1),X2)),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_80,c_0_81]),c_0_52]) ).

cnf(c_0_93,plain,
    ( is_a_theorem(not(not(implies(not(X1),X2))))
    | ~ is_a_theorem(X1) ),
    inference(spm,[status(thm)],[c_0_82,c_0_83]) ).

fof(c_0_94,plain,
    ! [X11,X12] :
      ( ( ~ substitution_of_equivalents
        | ~ is_a_theorem(equiv(X11,X12))
        | X11 = X12 )
      & ( is_a_theorem(equiv(esk3_0,esk4_0))
        | substitution_of_equivalents )
      & ( esk3_0 != esk4_0
        | substitution_of_equivalents ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[substitution_of_equivalents])])])])]) ).

cnf(c_0_95,plain,
    ( is_a_theorem(X1)
    | ~ is_a_theorem(implies(not(not(X2)),X1))
    | ~ is_a_theorem(or(X1,X2)) ),
    inference(spm,[status(thm)],[c_0_84,c_0_66]) ).

cnf(c_0_96,plain,
    ( is_a_theorem(implies(not(not(not(X1))),X2))
    | ~ is_a_theorem(X1) ),
    inference(spm,[status(thm)],[c_0_85,c_0_86]) ).

cnf(c_0_97,plain,
    ( is_a_theorem(implies(implies(implies(X1,X2),X3),X3))
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_87,c_0_88]) ).

cnf(c_0_98,plain,
    implies(implies(implies(X1,X2),not(implies(X2,X1))),X3) = or(equiv(X1,X2),X3),
    inference(spm,[status(thm)],[c_0_89,c_0_90]) ).

cnf(c_0_99,plain,
    ( is_a_theorem(implies(not(implies(X1,X1)),X2))
    | ~ is_a_theorem(not(X3)) ),
    inference(spm,[status(thm)],[c_0_91,c_0_92]) ).

cnf(c_0_100,plain,
    ( is_a_theorem(not(and(not(X1),X2)))
    | ~ is_a_theorem(X1) ),
    inference(spm,[status(thm)],[c_0_93,c_0_56]) ).

cnf(c_0_101,plain,
    ( is_a_theorem(implies(X1,X2))
    | ~ is_a_theorem(implies(X1,not(not(implies(X1,X2))))) ),
    inference(spm,[status(thm)],[c_0_49,c_0_29]) ).

cnf(c_0_102,plain,
    ( X1 = X2
    | ~ substitution_of_equivalents
    | ~ is_a_theorem(equiv(X1,X2)) ),
    inference(split_conjunct,[status(thm)],[c_0_94]) ).

cnf(c_0_103,plain,
    substitution_of_equivalents,
    inference(split_conjunct,[status(thm)],[substitution_of_equivalents]) ).

cnf(c_0_104,plain,
    ( is_a_theorem(X1)
    | ~ is_a_theorem(or(X1,not(X2)))
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_95,c_0_96]) ).

cnf(c_0_105,plain,
    ( is_a_theorem(or(equiv(X1,X2),not(implies(X2,X1))))
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_97,c_0_98]) ).

cnf(c_0_106,plain,
    ( is_a_theorem(implies(not(implies(X1,X1)),X2))
    | ~ is_a_theorem(X3) ),
    inference(spm,[status(thm)],[c_0_99,c_0_100]) ).

cnf(c_0_107,plain,
    is_a_theorem(or(or(X1,X2),and(not(X1),not(X2)))),
    inference(spm,[status(thm)],[c_0_81,c_0_70]) ).

cnf(c_0_108,plain,
    ( is_a_theorem(not(not(implies(X1,X2))))
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_82,c_0_88]) ).

cnf(c_0_109,plain,
    ( is_a_theorem(implies(not(X1),X2))
    | ~ is_a_theorem(or(X1,implies(not(X1),X2))) ),
    inference(spm,[status(thm)],[c_0_101,c_0_66]) ).

cnf(c_0_110,plain,
    ( is_a_theorem(or(or(X1,X2),X3))
    | ~ is_a_theorem(X1) ),
    inference(spm,[status(thm)],[c_0_80,c_0_40]) ).

cnf(c_0_111,plain,
    ( X1 = X2
    | ~ is_a_theorem(equiv(X1,X2)) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_102,c_0_103])]) ).

cnf(c_0_112,plain,
    ( is_a_theorem(equiv(X1,X2))
    | ~ is_a_theorem(implies(X2,X1))
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_104,c_0_105]) ).

cnf(c_0_113,plain,
    is_a_theorem(implies(not(implies(X1,X1)),X2)),
    inference(spm,[status(thm)],[c_0_106,c_0_107]) ).

cnf(c_0_114,plain,
    ( is_a_theorem(not(and(X1,X2)))
    | ~ is_a_theorem(not(X2)) ),
    inference(spm,[status(thm)],[c_0_108,c_0_56]) ).

cnf(c_0_115,plain,
    ( is_a_theorem(not(X1))
    | ~ is_a_theorem(implies(X1,not(X2)))
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_104,c_0_52]) ).

cnf(c_0_116,plain,
    ( is_a_theorem(implies(not(or(X1,X2)),X3))
    | ~ is_a_theorem(X1) ),
    inference(spm,[status(thm)],[c_0_109,c_0_110]) ).

cnf(c_0_117,plain,
    ( X1 = X2
    | ~ is_a_theorem(implies(X2,X1))
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_111,c_0_112]) ).

cnf(c_0_118,plain,
    is_a_theorem(implies(X1,implies(X2,X2))),
    inference(spm,[status(thm)],[c_0_65,c_0_113]) ).

cnf(c_0_119,plain,
    ( is_a_theorem(or(X1,X2))
    | ~ is_a_theorem(not(not(X2))) ),
    inference(spm,[status(thm)],[c_0_114,c_0_61]) ).

cnf(c_0_120,plain,
    is_a_theorem(not(not(implies(X1,X1)))),
    inference(spm,[status(thm)],[c_0_82,c_0_113]) ).

cnf(c_0_121,plain,
    ( is_a_theorem(and(X1,X2))
    | ~ is_a_theorem(X2)
    | ~ is_a_theorem(X1) ),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_115,c_0_50]),c_0_56]) ).

cnf(c_0_122,plain,
    ( is_a_theorem(implies(X1,or(X2,X3)))
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_65,c_0_116]) ).

cnf(c_0_123,plain,
    ( implies(X1,X1) = X2
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_117,c_0_118]) ).

cnf(c_0_124,plain,
    is_a_theorem(or(X1,implies(X2,X2))),
    inference(spm,[status(thm)],[c_0_119,c_0_120]) ).

cnf(c_0_125,plain,
    ( is_a_theorem(equiv(X1,X2))
    | ~ is_a_theorem(implies(X2,X1))
    | ~ is_a_theorem(implies(X1,X2)) ),
    inference(spm,[status(thm)],[c_0_121,c_0_90]) ).

cnf(c_0_126,plain,
    ( or(X1,X2) = X3
    | ~ is_a_theorem(X3)
    | ~ is_a_theorem(X1) ),
    inference(spm,[status(thm)],[c_0_117,c_0_122]) ).

cnf(c_0_127,plain,
    implies(X1,X1) = or(X2,implies(X3,X3)),
    inference(spm,[status(thm)],[c_0_123,c_0_124]) ).

cnf(c_0_128,plain,
    ( implies(not(X1),X2) = X1
    | ~ is_a_theorem(X1) ),
    inference(spm,[status(thm)],[c_0_117,c_0_38]) ).

cnf(c_0_129,plain,
    ( X1 = X2
    | ~ is_a_theorem(implies(X2,X1))
    | ~ is_a_theorem(implies(X1,X2)) ),
    inference(spm,[status(thm)],[c_0_111,c_0_125]) ).

cnf(c_0_130,plain,
    ( or(X1,X2) = implies(implies(not(X3),X3),X3)
    | ~ is_a_theorem(X1) ),
    inference(spm,[status(thm)],[c_0_126,c_0_34]) ).

cnf(c_0_131,plain,
    or(or(X1,and(not(X2),not(X3))),X4) = implies(and(not(X1),or(X2,X3)),X4),
    inference(spm,[status(thm)],[c_0_70,c_0_61]) ).

cnf(c_0_132,plain,
    and(not(X1),X1) = not(implies(esk1_0,esk1_0)),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_56,c_0_127]),c_0_127]) ).

cnf(c_0_133,plain,
    implies(not(implies(X1,X1)),X2) = implies(X1,X1),
    inference(spm,[status(thm)],[c_0_128,c_0_81]) ).

cnf(c_0_134,plain,
    ( or(X1,X2) = implies(X3,implies(not(X3),X4))
    | ~ is_a_theorem(X1) ),
    inference(spm,[status(thm)],[c_0_126,c_0_38]) ).

cnf(c_0_135,plain,
    ( implies(X1,X2) = X2
    | ~ is_a_theorem(implies(X2,implies(X1,X2)))
    | ~ is_a_theorem(X1) ),
    inference(spm,[status(thm)],[c_0_129,c_0_50]) ).

cnf(c_0_136,plain,
    implies(implies(not(X1),X1),X1) = implies(esk1_0,esk1_0),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_130,c_0_107]),c_0_131]),c_0_132]),c_0_133]) ).

cnf(c_0_137,plain,
    implies(X1,implies(not(X1),X2)) = implies(esk1_0,esk1_0),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_134,c_0_107]),c_0_131]),c_0_132]),c_0_133]) ).

cnf(c_0_138,plain,
    implies(implies(X1,X1),implies(X2,X1)) = implies(X2,X1),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_135,c_0_27]),c_0_81])]) ).

cnf(c_0_139,plain,
    implies(not(X1),X1) = X1,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_129,c_0_136]),c_0_81]),c_0_137]),c_0_81])]) ).

cnf(c_0_140,plain,
    ( is_a_theorem(X1)
    | ~ is_a_theorem(implies(implies(X2,X3),X1))
    | ~ is_a_theorem(X3) ),
    inference(spm,[status(thm)],[c_0_26,c_0_97]) ).

cnf(c_0_141,plain,
    implies(implies(X1,X1),X1) = X1,
    inference(spm,[status(thm)],[c_0_138,c_0_139]) ).

cnf(c_0_142,plain,
    implies(X1,X1) = implies(X2,X2),
    inference(spm,[status(thm)],[c_0_123,c_0_81]) ).

fof(c_0_143,plain,
    ! [X97,X98] :
      ( ( ~ r2
        | is_a_theorem(implies(X98,or(X97,X98))) )
      & ( ~ is_a_theorem(implies(esk47_0,or(esk46_0,esk47_0)))
        | r2 ) ),
    inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[r2])])])]) ).

fof(c_0_144,negated_conjecture,
    ~ r2,
    inference(fof_simplification,[status(thm)],[inference(assume_negation,[status(cth)],[principia_r2])]) ).

cnf(c_0_145,plain,
    ( is_a_theorem(implies(implies(X1,X2),implies(X3,X2)))
    | ~ is_a_theorem(X1) ),
    inference(spm,[status(thm)],[c_0_140,c_0_27]) ).

cnf(c_0_146,plain,
    implies(implies(X1,X1),X2) = X2,
    inference(spm,[status(thm)],[c_0_141,c_0_142]) ).

cnf(c_0_147,plain,
    and(not(not(X1)),X1) = not(not(X1)),
    inference(spm,[status(thm)],[c_0_56,c_0_139]) ).

cnf(c_0_148,plain,
    ( r2
    | ~ is_a_theorem(implies(esk47_0,or(esk46_0,esk47_0))) ),
    inference(split_conjunct,[status(thm)],[c_0_143]) ).

cnf(c_0_149,negated_conjecture,
    ~ r2,
    inference(split_conjunct,[status(thm)],[c_0_144]) ).

cnf(c_0_150,plain,
    is_a_theorem(implies(X1,implies(X2,X1))),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_145,c_0_146]),c_0_81])]) ).

cnf(c_0_151,plain,
    implies(not(not(not(X1))),X2) = or(X1,X2),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_70,c_0_147]),c_0_52]),c_0_139]) ).

cnf(c_0_152,plain,
    ~ is_a_theorem(implies(esk47_0,or(esk46_0,esk47_0))),
    inference(sr,[status(thm)],[c_0_148,c_0_149]) ).

cnf(c_0_153,plain,
    is_a_theorem(implies(X1,or(X2,X1))),
    inference(spm,[status(thm)],[c_0_150,c_0_151]) ).

cnf(c_0_154,plain,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_152,c_0_153])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem    : LCL476+1 : TPTP v8.1.2. Released v3.3.0.
% 0.00/0.13  % Command    : java -jar /export/starexec/sandbox2/solver/bin/mcs_scs.jar %d %s
% 0.13/0.34  % Computer : n006.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit   : 300
% 0.13/0.34  % WCLimit    : 300
% 0.13/0.34  % DateTime   : Fri Aug 25 01:09:08 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.19/0.56  start to proof: theBenchmark
% 136.65/136.64  % Version  : CSE_E---1.5
% 136.65/136.64  % Problem  : theBenchmark.p
% 136.65/136.64  % Proof found
% 136.65/136.64  % SZS status Theorem for theBenchmark.p
% 136.65/136.64  % SZS output start Proof
% See solution above
% 136.73/136.66  % Total time : 136.090000 s
% 136.73/136.66  % SZS output end Proof
% 136.73/136.66  % Total time : 136.101000 s
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