TSTP Solution File: LCL475+1 by CSE_E---1.5

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : CSE_E---1.5
% Problem  : LCL475+1 : TPTP v8.1.2. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -jar /export/starexec/sandbox/solver/bin/mcs_scs.jar %d %s

% Computer : n016.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 153.20s 153.16s
% Output   : CNFRefutation 153.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   37
%            Number of leaves      :  113
% Syntax   : Number of formulae    :  220 (  55 unt;  93 typ;   0 def)
%            Number of atoms       :  237 (  27 equ)
%            Maximal formula atoms :   10 (   1 avg)
%            Number of connectives :  198 (  88   ~;  88   |;  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   :  236 (  39 sgn;  38   !;   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/sandbox/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/sandbox/benchmark/Axioms/LCL006+0.ax',cn1) ).

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

fof(r1,axiom,
    ( r1
  <=> ! [X4] : is_a_theorem(implies(or(X4,X4),X4)) ),
    file('/export/starexec/sandbox/benchmark/Axioms/LCL006+0.ax',r1) ).

fof(principia_r1,conjecture,
    r1,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',principia_r1) ).

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]) ).

fof(c_0_26,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_27,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_28,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])]) ).

cnf(c_0_29,plain,
    ( is_a_theorem(implies(X1,implies(not(X1),X2)))
    | ~ cn2 ),
    inference(split_conjunct,[status(thm)],[c_0_26]) ).

cnf(c_0_30,plain,
    cn2,
    inference(split_conjunct,[status(thm)],[luka_cn2]) ).

cnf(c_0_31,plain,
    ( is_a_theorem(implies(implies(X1,X2),implies(X3,X2)))
    | ~ is_a_theorem(implies(X3,X1)) ),
    inference(spm,[status(thm)],[c_0_27,c_0_28]) ).

cnf(c_0_32,plain,
    is_a_theorem(implies(X1,implies(not(X1),X2))),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_29,c_0_30])]) ).

cnf(c_0_33,plain,
    is_a_theorem(implies(implies(implies(not(X1),X2),X3),implies(X1,X3))),
    inference(spm,[status(thm)],[c_0_31,c_0_32]) ).

cnf(c_0_34,plain,
    ( is_a_theorem(implies(not(X1),X2))
    | ~ is_a_theorem(X1) ),
    inference(spm,[status(thm)],[c_0_27,c_0_32]) ).

fof(c_0_35,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_36,plain,
    ( is_a_theorem(implies(X1,X2))
    | ~ is_a_theorem(implies(implies(not(X1),X3),X2)) ),
    inference(spm,[status(thm)],[c_0_27,c_0_33]) ).

cnf(c_0_37,plain,
    ( is_a_theorem(implies(implies(X1,X2),implies(not(X3),X2)))
    | ~ is_a_theorem(X3) ),
    inference(spm,[status(thm)],[c_0_31,c_0_34]) ).

cnf(c_0_38,plain,
    ( is_a_theorem(implies(implies(not(X1),X1),X1))
    | ~ cn3 ),
    inference(split_conjunct,[status(thm)],[c_0_35]) ).

cnf(c_0_39,plain,
    cn3,
    inference(split_conjunct,[status(thm)],[luka_cn3]) ).

cnf(c_0_40,plain,
    ( is_a_theorem(implies(X1,implies(not(X2),X3)))
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_36,c_0_37]) ).

cnf(c_0_41,plain,
    is_a_theorem(implies(implies(not(X1),X1),X1)),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_38,c_0_39])]) ).

cnf(c_0_42,plain,
    ( is_a_theorem(implies(implies(implies(not(X1),X2),X3),implies(X4,X3)))
    | ~ is_a_theorem(X1) ),
    inference(spm,[status(thm)],[c_0_31,c_0_40]) ).

cnf(c_0_43,plain,
    is_a_theorem(implies(implies(X1,X2),implies(implies(not(X1),X1),X2))),
    inference(spm,[status(thm)],[c_0_31,c_0_41]) ).

cnf(c_0_44,plain,
    ( is_a_theorem(implies(X1,X2))
    | ~ is_a_theorem(implies(implies(not(X3),X4),X2))
    | ~ is_a_theorem(X3) ),
    inference(spm,[status(thm)],[c_0_27,c_0_42]) ).

cnf(c_0_45,plain,
    ( is_a_theorem(implies(implies(not(X1),X1),X2))
    | ~ is_a_theorem(implies(X1,X2)) ),
    inference(spm,[status(thm)],[c_0_27,c_0_43]) ).

cnf(c_0_46,plain,
    ( is_a_theorem(implies(X1,X2))
    | ~ is_a_theorem(implies(X3,X2))
    | ~ is_a_theorem(X3) ),
    inference(spm,[status(thm)],[c_0_44,c_0_45]) ).

cnf(c_0_47,plain,
    ( is_a_theorem(implies(X1,implies(X2,X3)))
    | ~ is_a_theorem(implies(implies(not(X2),X4),X3)) ),
    inference(spm,[status(thm)],[c_0_46,c_0_33]) ).

cnf(c_0_48,plain,
    ( is_a_theorem(implies(X1,X2))
    | ~ is_a_theorem(implies(not(X3),X3))
    | ~ is_a_theorem(implies(X3,X2)) ),
    inference(spm,[status(thm)],[c_0_46,c_0_45]) ).

cnf(c_0_49,plain,
    is_a_theorem(implies(X1,implies(X2,X2))),
    inference(spm,[status(thm)],[c_0_47,c_0_41]) ).

cnf(c_0_50,plain,
    ( is_a_theorem(implies(X1,X2))
    | ~ is_a_theorem(implies(implies(X3,X3),X2)) ),
    inference(spm,[status(thm)],[c_0_48,c_0_49]) ).

cnf(c_0_51,plain,
    ( is_a_theorem(implies(X1,X2))
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_44,c_0_41]) ).

cnf(c_0_52,plain,
    ( is_a_theorem(X1)
    | ~ is_a_theorem(implies(not(X2),X2))
    | ~ is_a_theorem(implies(X2,X1)) ),
    inference(spm,[status(thm)],[c_0_27,c_0_45]) ).

cnf(c_0_53,plain,
    is_a_theorem(implies(X1,implies(implies(not(X2),X2),X2))),
    inference(spm,[status(thm)],[c_0_50,c_0_43]) ).

cnf(c_0_54,plain,
    ( is_a_theorem(implies(implies(X1,X2),implies(X3,X2)))
    | ~ is_a_theorem(X1) ),
    inference(spm,[status(thm)],[c_0_31,c_0_51]) ).

cnf(c_0_55,plain,
    is_a_theorem(implies(implies(implies(implies(not(X1),X1),X2),X3),implies(implies(X1,X2),X3))),
    inference(spm,[status(thm)],[c_0_31,c_0_43]) ).

cnf(c_0_56,plain,
    ( is_a_theorem(X1)
    | ~ is_a_theorem(implies(implies(implies(not(X2),X2),X2),X1)) ),
    inference(spm,[status(thm)],[c_0_52,c_0_53]) ).

cnf(c_0_57,plain,
    ( is_a_theorem(implies(implies(implies(X1,X2),X3),implies(implies(X4,X2),X3)))
    | ~ is_a_theorem(X4) ),
    inference(spm,[status(thm)],[c_0_31,c_0_54]) ).

cnf(c_0_58,plain,
    ( is_a_theorem(implies(implies(X1,X2),X3))
    | ~ is_a_theorem(implies(implies(implies(not(X1),X1),X2),X3)) ),
    inference(spm,[status(thm)],[c_0_27,c_0_55]) ).

cnf(c_0_59,plain,
    ( is_a_theorem(implies(implies(X1,X2),X2))
    | ~ is_a_theorem(X1) ),
    inference(spm,[status(thm)],[c_0_56,c_0_57]) ).

cnf(c_0_60,plain,
    is_a_theorem(implies(implies(implies(implies(X1,X2),implies(X3,X2)),X4),implies(implies(X3,X1),X4))),
    inference(spm,[status(thm)],[c_0_31,c_0_28]) ).

cnf(c_0_61,plain,
    ( is_a_theorem(implies(implies(X1,X2),X2))
    | ~ is_a_theorem(implies(not(X1),X1)) ),
    inference(spm,[status(thm)],[c_0_58,c_0_59]) ).

cnf(c_0_62,plain,
    ( is_a_theorem(implies(implies(X1,X2),X3))
    | ~ is_a_theorem(implies(implies(implies(X2,X4),implies(X1,X4)),X3)) ),
    inference(spm,[status(thm)],[c_0_27,c_0_60]) ).

cnf(c_0_63,plain,
    is_a_theorem(implies(implies(implies(implies(not(X1),X1),X1),X2),X2)),
    inference(spm,[status(thm)],[c_0_61,c_0_53]) ).

cnf(c_0_64,plain,
    is_a_theorem(implies(implies(X1,implies(not(X2),X2)),implies(X1,X2))),
    inference(spm,[status(thm)],[c_0_62,c_0_63]) ).

cnf(c_0_65,plain,
    ( is_a_theorem(implies(implies(X1,X2),implies(X1,X3)))
    | ~ is_a_theorem(implies(X2,X3)) ),
    inference(spm,[status(thm)],[c_0_62,c_0_59]) ).

cnf(c_0_66,plain,
    is_a_theorem(implies(implies(not(X1),X2),implies(implies(X2,X1),X1))),
    inference(spm,[status(thm)],[c_0_62,c_0_64]) ).

cnf(c_0_67,plain,
    ( is_a_theorem(implies(X1,X2))
    | ~ is_a_theorem(implies(X1,X3))
    | ~ is_a_theorem(implies(X3,X2)) ),
    inference(spm,[status(thm)],[c_0_27,c_0_65]) ).

cnf(c_0_68,plain,
    is_a_theorem(implies(X1,implies(implies(X2,X1),X1))),
    inference(spm,[status(thm)],[c_0_36,c_0_66]) ).

cnf(c_0_69,plain,
    is_a_theorem(implies(implies(implies(X1,X2),X3),implies(implies(implies(not(X1),X4),X2),X3))),
    inference(spm,[status(thm)],[c_0_31,c_0_33]) ).

cnf(c_0_70,plain,
    ( is_a_theorem(implies(X1,X2))
    | ~ is_a_theorem(implies(implies(implies(X3,X1),X1),X2)) ),
    inference(spm,[status(thm)],[c_0_67,c_0_68]) ).

cnf(c_0_71,plain,
    ( is_a_theorem(implies(implies(implies(not(X1),X2),X3),X4))
    | ~ is_a_theorem(implies(implies(X1,X3),X4)) ),
    inference(spm,[status(thm)],[c_0_27,c_0_69]) ).

fof(c_0_72,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_73,plain,
    ( is_a_theorem(implies(X1,X2))
    | ~ is_a_theorem(implies(implies(X3,X1),X2)) ),
    inference(spm,[status(thm)],[c_0_70,c_0_71]) ).

cnf(c_0_74,plain,
    is_a_theorem(implies(implies(X1,not(X2)),implies(X2,implies(X1,X3)))),
    inference(spm,[status(thm)],[c_0_62,c_0_33]) ).

fof(c_0_75,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_76,plain,
    ( implies(X1,X2) = or(not(X1),X2)
    | ~ op_implies_or ),
    inference(split_conjunct,[status(thm)],[c_0_72]) ).

cnf(c_0_77,plain,
    op_implies_or,
    inference(split_conjunct,[status(thm)],[principia_op_implies_or]) ).

cnf(c_0_78,plain,
    ( is_a_theorem(implies(X1,X2))
    | ~ is_a_theorem(implies(X1,implies(not(X2),X2))) ),
    inference(spm,[status(thm)],[c_0_27,c_0_64]) ).

cnf(c_0_79,plain,
    is_a_theorem(implies(not(X1),implies(X1,implies(X2,X3)))),
    inference(spm,[status(thm)],[c_0_73,c_0_74]) ).

fof(c_0_80,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_81,plain,
    ( and(X1,X2) = not(or(not(X1),not(X2)))
    | ~ op_and ),
    inference(split_conjunct,[status(thm)],[c_0_75]) ).

cnf(c_0_82,plain,
    or(not(X1),X2) = implies(X1,X2),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_76,c_0_77])]) ).

cnf(c_0_83,plain,
    op_and,
    inference(split_conjunct,[status(thm)],[principia_op_and]) ).

cnf(c_0_84,plain,
    is_a_theorem(implies(not(not(implies(X1,X2))),implies(X1,X2))),
    inference(spm,[status(thm)],[c_0_78,c_0_79]) ).

cnf(c_0_85,plain,
    ( or(X1,X2) = not(and(not(X1),not(X2)))
    | ~ op_or ),
    inference(split_conjunct,[status(thm)],[c_0_80]) ).

cnf(c_0_86,plain,
    and(X1,X2) = not(implies(X1,not(X2))),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_81,c_0_82]),c_0_83])]) ).

cnf(c_0_87,plain,
    op_or,
    inference(split_conjunct,[status(thm)],[luka_op_or]) ).

cnf(c_0_88,plain,
    is_a_theorem(implies(not(not(implies(not(X1),X1))),X1)),
    inference(spm,[status(thm)],[c_0_78,c_0_84]) ).

cnf(c_0_89,plain,
    not(not(implies(not(X1),not(not(X2))))) = or(X1,X2),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_85,c_0_86]),c_0_87])]) ).

cnf(c_0_90,plain,
    is_a_theorem(implies(implies(not(X1),X1),not(not(X1)))),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_88,c_0_89]),c_0_82]) ).

cnf(c_0_91,plain,
    ( is_a_theorem(implies(implies(implies(X1,X2),X3),implies(implies(implies(not(X4),X5),X2),X3)))
    | ~ is_a_theorem(X4) ),
    inference(spm,[status(thm)],[c_0_31,c_0_42]) ).

cnf(c_0_92,plain,
    ( is_a_theorem(implies(implies(X1,implies(not(X2),X2)),X2))
    | ~ is_a_theorem(X1) ),
    inference(spm,[status(thm)],[c_0_78,c_0_59]) ).

cnf(c_0_93,plain,
    ( is_a_theorem(implies(X1,implies(X2,X3)))
    | ~ is_a_theorem(implies(X2,not(X1))) ),
    inference(spm,[status(thm)],[c_0_27,c_0_74]) ).

cnf(c_0_94,plain,
    is_a_theorem(implies(X1,not(not(X1)))),
    inference(spm,[status(thm)],[c_0_36,c_0_90]) ).

cnf(c_0_95,plain,
    ( is_a_theorem(implies(implies(implies(not(X1),X2),X3),X3))
    | ~ is_a_theorem(X1) ),
    inference(spm,[status(thm)],[c_0_56,c_0_91]) ).

fof(c_0_96,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])])])])]) ).

fof(c_0_97,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_98,plain,
    ( is_a_theorem(implies(implies(not(X1),X2),X1))
    | ~ is_a_theorem(implies(X2,X1)) ),
    inference(spm,[status(thm)],[c_0_62,c_0_92]) ).

cnf(c_0_99,plain,
    is_a_theorem(implies(not(X1),implies(X1,X2))),
    inference(spm,[status(thm)],[c_0_93,c_0_94]) ).

cnf(c_0_100,plain,
    ( is_a_theorem(implies(implies(X1,not(X2)),implies(X1,X3)))
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_62,c_0_95]) ).

cnf(c_0_101,plain,
    ( X1 = X2
    | ~ substitution_of_equivalents
    | ~ is_a_theorem(equiv(X1,X2)) ),
    inference(split_conjunct,[status(thm)],[c_0_96]) ).

cnf(c_0_102,plain,
    substitution_of_equivalents,
    inference(split_conjunct,[status(thm)],[substitution_of_equivalents]) ).

cnf(c_0_103,plain,
    ( equiv(X1,X2) = and(implies(X1,X2),implies(X2,X1))
    | ~ op_equiv ),
    inference(split_conjunct,[status(thm)],[c_0_97]) ).

cnf(c_0_104,plain,
    op_equiv,
    inference(split_conjunct,[status(thm)],[luka_op_equiv]) ).

cnf(c_0_105,plain,
    ( is_a_theorem(X1)
    | ~ is_a_theorem(implies(not(X1),X2))
    | ~ is_a_theorem(implies(X2,X1)) ),
    inference(spm,[status(thm)],[c_0_27,c_0_98]) ).

cnf(c_0_106,plain,
    is_a_theorem(implies(not(not(X1)),X1)),
    inference(spm,[status(thm)],[c_0_78,c_0_99]) ).

cnf(c_0_107,plain,
    ( is_a_theorem(implies(X1,X2))
    | ~ is_a_theorem(implies(X1,not(X3)))
    | ~ is_a_theorem(X3) ),
    inference(spm,[status(thm)],[c_0_27,c_0_100]) ).

cnf(c_0_108,plain,
    ( X1 = X2
    | ~ is_a_theorem(equiv(X1,X2)) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_101,c_0_102])]) ).

cnf(c_0_109,plain,
    equiv(X1,X2) = and(implies(X1,X2),implies(X2,X1)),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_103,c_0_104])]) ).

cnf(c_0_110,plain,
    ( is_a_theorem(not(X1))
    | ~ is_a_theorem(implies(X1,not(X1))) ),
    inference(spm,[status(thm)],[c_0_105,c_0_106]) ).

cnf(c_0_111,plain,
    ( is_a_theorem(implies(implies(X1,not(X2)),X3))
    | ~ is_a_theorem(X2)
    | ~ is_a_theorem(X1) ),
    inference(spm,[status(thm)],[c_0_107,c_0_59]) ).

cnf(c_0_112,plain,
    ( X1 = X2
    | ~ is_a_theorem(not(implies(implies(X1,X2),not(implies(X2,X1))))) ),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_108,c_0_109]),c_0_86]) ).

cnf(c_0_113,plain,
    ( is_a_theorem(not(implies(X1,not(X2))))
    | ~ is_a_theorem(X2)
    | ~ is_a_theorem(X1) ),
    inference(spm,[status(thm)],[c_0_110,c_0_111]) ).

cnf(c_0_114,plain,
    ( X1 = X2
    | ~ is_a_theorem(implies(X2,X1))
    | ~ is_a_theorem(implies(X1,X2)) ),
    inference(spm,[status(thm)],[c_0_112,c_0_113]) ).

fof(c_0_115,plain,
    ! [X95] :
      ( ( ~ r1
        | is_a_theorem(implies(or(X95,X95),X95)) )
      & ( ~ is_a_theorem(implies(or(esk45_0,esk45_0),esk45_0))
        | r1 ) ),
    inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[r1])])])]) ).

fof(c_0_116,negated_conjecture,
    ~ r1,
    inference(fof_simplification,[status(thm)],[inference(assume_negation,[status(cth)],[principia_r1])]) ).

cnf(c_0_117,plain,
    is_a_theorem(implies(X1,implies(X2,X1))),
    inference(spm,[status(thm)],[c_0_70,c_0_33]) ).

cnf(c_0_118,plain,
    not(not(X1)) = X1,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_114,c_0_106]),c_0_94])]) ).

cnf(c_0_119,plain,
    ( r1
    | ~ is_a_theorem(implies(or(esk45_0,esk45_0),esk45_0)) ),
    inference(split_conjunct,[status(thm)],[c_0_115]) ).

cnf(c_0_120,negated_conjecture,
    ~ r1,
    inference(split_conjunct,[status(thm)],[c_0_116]) ).

cnf(c_0_121,plain,
    implies(not(X1),X1) = X1,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_114,c_0_41]),c_0_117])]) ).

cnf(c_0_122,plain,
    implies(not(X1),X2) = or(X1,X2),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_89,c_0_118]),c_0_118]) ).

cnf(c_0_123,plain,
    ~ is_a_theorem(implies(or(esk45_0,esk45_0),esk45_0)),
    inference(sr,[status(thm)],[c_0_119,c_0_120]) ).

cnf(c_0_124,plain,
    or(X1,X1) = X1,
    inference(rw,[status(thm)],[c_0_121,c_0_122]) ).

cnf(c_0_125,plain,
    is_a_theorem(implies(X1,X1)),
    inference(spm,[status(thm)],[c_0_36,c_0_41]) ).

cnf(c_0_126,plain,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_123,c_0_124]),c_0_125])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem    : LCL475+1 : TPTP v8.1.2. Released v3.3.0.
% 0.00/0.13  % Command    : java -jar /export/starexec/sandbox/solver/bin/mcs_scs.jar %d %s
% 0.13/0.34  % Computer : n016.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 04:07:40 EDT 2023
% 0.13/0.35  % CPUTime  : 
% 0.21/0.58  start to proof: theBenchmark
% 153.20/153.16  % Version  : CSE_E---1.5
% 153.20/153.16  % Problem  : theBenchmark.p
% 153.20/153.16  % Proof found
% 153.20/153.16  % SZS status Theorem for theBenchmark.p
% 153.20/153.16  % SZS output start Proof
% See solution above
% 153.20/153.18  % Total time : 152.570000 s
% 153.20/153.18  % SZS output end Proof
% 153.20/153.18  % Total time : 152.580000 s
%------------------------------------------------------------------------------