TSTP Solution File: SEU157+2 by ET---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ET---2.0
% Problem  : SEU157+2 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_ET %s %d

% Computer : n019.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  : 600s
% DateTime : Tue Jul 19 09:17:16 EDT 2022

% Result   : Theorem 0.28s 13.47s
% Output   : CNFRefutation 0.28s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :    9
% Syntax   : Number of formulae    :   77 (  16 unt;   0 def)
%            Number of atoms       :  231 (  86 equ)
%            Maximal formula atoms :   28 (   3 avg)
%            Number of connectives :  246 (  92   ~; 121   |;  23   &)
%                                         (   8 <=>;   2  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   23 (   4 avg)
%            Maximal term depth    :    6 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :   15 (  15 usr;   4 con; 0-4 aty)
%            Number of variables   :  175 (  17 sgn  68   !;   2   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(d5_tarski,axiom,
    ! [X1,X2] : ordered_pair(X1,X2) = unordered_pair(unordered_pair(X1,X2),singleton(X1)),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p',d5_tarski) ).

fof(t69_enumset1,lemma,
    ! [X1] : unordered_pair(X1,X1) = singleton(X1),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p',t69_enumset1) ).

fof(d2_zfmisc_1,axiom,
    ! [X1,X2,X3] :
      ( X3 = cartesian_product2(X1,X2)
    <=> ! [X4] :
          ( in(X4,X3)
        <=> ? [X5,X6] :
              ( in(X5,X1)
              & in(X6,X2)
              & X4 = ordered_pair(X5,X6) ) ) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p',d2_zfmisc_1) ).

fof(l55_zfmisc_1,conjecture,
    ! [X1,X2,X3,X4] :
      ( in(ordered_pair(X1,X2),cartesian_product2(X3,X4))
    <=> ( in(X1,X3)
        & in(X2,X4) ) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p',l55_zfmisc_1) ).

fof(commutativity_k2_tarski,axiom,
    ! [X1,X2] : unordered_pair(X1,X2) = unordered_pair(X2,X1),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p',commutativity_k2_tarski) ).

fof(d2_tarski,axiom,
    ! [X1,X2,X3] :
      ( X3 = unordered_pair(X1,X2)
    <=> ! [X4] :
          ( in(X4,X3)
        <=> ( X4 = X1
            | X4 = X2 ) ) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p',d2_tarski) ).

fof(l2_zfmisc_1,lemma,
    ! [X1,X2] :
      ( subset(singleton(X1),X2)
    <=> in(X1,X2) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p',l2_zfmisc_1) ).

fof(t33_zfmisc_1,lemma,
    ! [X1,X2,X3,X4] :
      ( ordered_pair(X1,X2) = ordered_pair(X3,X4)
     => ( X1 = X3
        & X2 = X4 ) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p',t33_zfmisc_1) ).

fof(d3_tarski,axiom,
    ! [X1,X2] :
      ( subset(X1,X2)
    <=> ! [X3] :
          ( in(X3,X1)
         => in(X3,X2) ) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p',d3_tarski) ).

fof(c_0_9,plain,
    ! [X3,X4] : ordered_pair(X3,X4) = unordered_pair(unordered_pair(X3,X4),singleton(X3)),
    inference(variable_rename,[status(thm)],[d5_tarski]) ).

fof(c_0_10,lemma,
    ! [X2] : unordered_pair(X2,X2) = singleton(X2),
    inference(variable_rename,[status(thm)],[t69_enumset1]) ).

fof(c_0_11,plain,
    ! [X7,X8,X9,X10,X10,X13,X14,X7,X8,X9,X16,X17] :
      ( ( in(esk7_4(X7,X8,X9,X10),X7)
        | ~ in(X10,X9)
        | X9 != cartesian_product2(X7,X8) )
      & ( in(esk8_4(X7,X8,X9,X10),X8)
        | ~ in(X10,X9)
        | X9 != cartesian_product2(X7,X8) )
      & ( X10 = ordered_pair(esk7_4(X7,X8,X9,X10),esk8_4(X7,X8,X9,X10))
        | ~ in(X10,X9)
        | X9 != cartesian_product2(X7,X8) )
      & ( ~ in(X13,X7)
        | ~ in(X14,X8)
        | X10 != ordered_pair(X13,X14)
        | in(X10,X9)
        | X9 != cartesian_product2(X7,X8) )
      & ( ~ in(esk9_3(X7,X8,X9),X9)
        | ~ in(X16,X7)
        | ~ in(X17,X8)
        | esk9_3(X7,X8,X9) != ordered_pair(X16,X17)
        | X9 = cartesian_product2(X7,X8) )
      & ( in(esk10_3(X7,X8,X9),X7)
        | in(esk9_3(X7,X8,X9),X9)
        | X9 = cartesian_product2(X7,X8) )
      & ( in(esk11_3(X7,X8,X9),X8)
        | in(esk9_3(X7,X8,X9),X9)
        | X9 = cartesian_product2(X7,X8) )
      & ( esk9_3(X7,X8,X9) = ordered_pair(esk10_3(X7,X8,X9),esk11_3(X7,X8,X9))
        | in(esk9_3(X7,X8,X9),X9)
        | X9 = cartesian_product2(X7,X8) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(shift_quantors,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[d2_zfmisc_1])])])])])])]) ).

cnf(c_0_12,plain,
    ordered_pair(X1,X2) = unordered_pair(unordered_pair(X1,X2),singleton(X1)),
    inference(split_conjunct,[status(thm)],[c_0_9]) ).

cnf(c_0_13,lemma,
    unordered_pair(X1,X1) = singleton(X1),
    inference(split_conjunct,[status(thm)],[c_0_10]) ).

fof(c_0_14,negated_conjecture,
    ~ ! [X1,X2,X3,X4] :
        ( in(ordered_pair(X1,X2),cartesian_product2(X3,X4))
      <=> ( in(X1,X3)
          & in(X2,X4) ) ),
    inference(assume_negation,[status(cth)],[l55_zfmisc_1]) ).

cnf(c_0_15,plain,
    ( X4 = ordered_pair(esk7_4(X2,X3,X1,X4),esk8_4(X2,X3,X1,X4))
    | X1 != cartesian_product2(X2,X3)
    | ~ in(X4,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

cnf(c_0_16,plain,
    ordered_pair(X1,X2) = unordered_pair(unordered_pair(X1,X2),unordered_pair(X1,X1)),
    inference(rw,[status(thm)],[c_0_12,c_0_13]) ).

fof(c_0_17,plain,
    ! [X3,X4] : unordered_pair(X3,X4) = unordered_pair(X4,X3),
    inference(variable_rename,[status(thm)],[commutativity_k2_tarski]) ).

fof(c_0_18,negated_conjecture,
    ( ( ~ in(ordered_pair(esk1_0,esk2_0),cartesian_product2(esk3_0,esk4_0))
      | ~ in(esk1_0,esk3_0)
      | ~ in(esk2_0,esk4_0) )
    & ( in(esk1_0,esk3_0)
      | in(ordered_pair(esk1_0,esk2_0),cartesian_product2(esk3_0,esk4_0)) )
    & ( in(esk2_0,esk4_0)
      | in(ordered_pair(esk1_0,esk2_0),cartesian_product2(esk3_0,esk4_0)) ) ),
    inference(distribute,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_14])])])]) ).

fof(c_0_19,plain,
    ! [X5,X6,X7,X8,X8,X5,X6,X7] :
      ( ( ~ in(X8,X7)
        | X8 = X5
        | X8 = X6
        | X7 != unordered_pair(X5,X6) )
      & ( X8 != X5
        | in(X8,X7)
        | X7 != unordered_pair(X5,X6) )
      & ( X8 != X6
        | in(X8,X7)
        | X7 != unordered_pair(X5,X6) )
      & ( esk12_3(X5,X6,X7) != X5
        | ~ in(esk12_3(X5,X6,X7),X7)
        | X7 = unordered_pair(X5,X6) )
      & ( esk12_3(X5,X6,X7) != X6
        | ~ in(esk12_3(X5,X6,X7),X7)
        | X7 = unordered_pair(X5,X6) )
      & ( in(esk12_3(X5,X6,X7),X7)
        | esk12_3(X5,X6,X7) = X5
        | esk12_3(X5,X6,X7) = X6
        | X7 = unordered_pair(X5,X6) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(shift_quantors,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[d2_tarski])])])])])])]) ).

cnf(c_0_20,plain,
    ( X4 = unordered_pair(unordered_pair(esk7_4(X2,X3,X1,X4),esk8_4(X2,X3,X1,X4)),unordered_pair(esk7_4(X2,X3,X1,X4),esk7_4(X2,X3,X1,X4)))
    | X1 != cartesian_product2(X2,X3)
    | ~ in(X4,X1) ),
    inference(rw,[status(thm)],[c_0_15,c_0_16]) ).

cnf(c_0_21,plain,
    unordered_pair(X1,X2) = unordered_pair(X2,X1),
    inference(split_conjunct,[status(thm)],[c_0_17]) ).

cnf(c_0_22,negated_conjecture,
    ( in(ordered_pair(esk1_0,esk2_0),cartesian_product2(esk3_0,esk4_0))
    | in(esk1_0,esk3_0) ),
    inference(split_conjunct,[status(thm)],[c_0_18]) ).

cnf(c_0_23,plain,
    ( in(X4,X1)
    | X1 != unordered_pair(X2,X3)
    | X4 != X2 ),
    inference(split_conjunct,[status(thm)],[c_0_19]) ).

cnf(c_0_24,plain,
    ( unordered_pair(unordered_pair(esk7_4(X1,X2,X3,X4),esk7_4(X1,X2,X3,X4)),unordered_pair(esk7_4(X1,X2,X3,X4),esk8_4(X1,X2,X3,X4))) = X4
    | X3 != cartesian_product2(X1,X2)
    | ~ in(X4,X3) ),
    inference(rw,[status(thm)],[c_0_20,c_0_21]) ).

cnf(c_0_25,negated_conjecture,
    ( in(esk1_0,esk3_0)
    | in(unordered_pair(unordered_pair(esk1_0,esk2_0),unordered_pair(esk1_0,esk1_0)),cartesian_product2(esk3_0,esk4_0)) ),
    inference(rw,[status(thm)],[c_0_22,c_0_16]) ).

fof(c_0_26,lemma,
    ! [X3,X4,X3,X4] :
      ( ( ~ subset(singleton(X3),X4)
        | in(X3,X4) )
      & ( ~ in(X3,X4)
        | subset(singleton(X3),X4) ) ),
    inference(shift_quantors,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[l2_zfmisc_1])])])]) ).

cnf(c_0_27,plain,
    ( in(esk7_4(X2,X3,X1,X4),X2)
    | X1 != cartesian_product2(X2,X3)
    | ~ in(X4,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

cnf(c_0_28,plain,
    ( in(X1,X2)
    | X2 != unordered_pair(X1,X3) ),
    inference(er,[status(thm)],[c_0_23]) ).

cnf(c_0_29,plain,
    ( unordered_pair(unordered_pair(esk7_4(X1,X2,cartesian_product2(X1,X2),X3),esk7_4(X1,X2,cartesian_product2(X1,X2),X3)),unordered_pair(esk7_4(X1,X2,cartesian_product2(X1,X2),X3),esk8_4(X1,X2,cartesian_product2(X1,X2),X3))) = X3
    | ~ in(X3,cartesian_product2(X1,X2)) ),
    inference(er,[status(thm)],[c_0_24]) ).

cnf(c_0_30,negated_conjecture,
    ( in(unordered_pair(unordered_pair(esk1_0,esk1_0),unordered_pair(esk1_0,esk2_0)),cartesian_product2(esk3_0,esk4_0))
    | in(esk1_0,esk3_0) ),
    inference(rw,[status(thm)],[c_0_25,c_0_21]) ).

cnf(c_0_31,lemma,
    ( subset(singleton(X1),X2)
    | ~ in(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_26]) ).

cnf(c_0_32,plain,
    ( in(esk7_4(X1,X2,cartesian_product2(X1,X2),X3),X1)
    | ~ in(X3,cartesian_product2(X1,X2)) ),
    inference(er,[status(thm)],[c_0_27]) ).

cnf(c_0_33,plain,
    ( X4 = X3
    | X4 = X2
    | X1 != unordered_pair(X2,X3)
    | ~ in(X4,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_19]) ).

cnf(c_0_34,plain,
    in(X1,unordered_pair(X1,X2)),
    inference(er,[status(thm)],[c_0_28]) ).

cnf(c_0_35,negated_conjecture,
    ( unordered_pair(unordered_pair(esk7_4(esk3_0,esk4_0,cartesian_product2(esk3_0,esk4_0),unordered_pair(unordered_pair(esk1_0,esk1_0),unordered_pair(esk1_0,esk2_0))),esk7_4(esk3_0,esk4_0,cartesian_product2(esk3_0,esk4_0),unordered_pair(unordered_pair(esk1_0,esk1_0),unordered_pair(esk1_0,esk2_0)))),unordered_pair(esk7_4(esk3_0,esk4_0,cartesian_product2(esk3_0,esk4_0),unordered_pair(unordered_pair(esk1_0,esk1_0),unordered_pair(esk1_0,esk2_0))),esk8_4(esk3_0,esk4_0,cartesian_product2(esk3_0,esk4_0),unordered_pair(unordered_pair(esk1_0,esk1_0),unordered_pair(esk1_0,esk2_0))))) = unordered_pair(unordered_pair(esk1_0,esk1_0),unordered_pair(esk1_0,esk2_0))
    | in(esk1_0,esk3_0) ),
    inference(spm,[status(thm)],[c_0_29,c_0_30]) ).

fof(c_0_36,lemma,
    ! [X5,X6,X7,X8] :
      ( ( X5 = X7
        | ordered_pair(X5,X6) != ordered_pair(X7,X8) )
      & ( X6 = X8
        | ordered_pair(X5,X6) != ordered_pair(X7,X8) ) ),
    inference(distribute,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[t33_zfmisc_1])])]) ).

cnf(c_0_37,lemma,
    ( subset(unordered_pair(X1,X1),X2)
    | ~ in(X1,X2) ),
    inference(rw,[status(thm)],[c_0_31,c_0_13]) ).

cnf(c_0_38,negated_conjecture,
    ( in(esk7_4(esk3_0,esk4_0,cartesian_product2(esk3_0,esk4_0),unordered_pair(unordered_pair(esk1_0,esk1_0),unordered_pair(esk1_0,esk2_0))),esk3_0)
    | in(esk1_0,esk3_0) ),
    inference(spm,[status(thm)],[c_0_32,c_0_30]) ).

cnf(c_0_39,plain,
    ( X1 = X2
    | X3 = X2
    | ~ in(X2,unordered_pair(X3,X1)) ),
    inference(er,[status(thm)],[c_0_33]) ).

cnf(c_0_40,negated_conjecture,
    ( in(unordered_pair(esk7_4(esk3_0,esk4_0,cartesian_product2(esk3_0,esk4_0),unordered_pair(unordered_pair(esk1_0,esk1_0),unordered_pair(esk1_0,esk2_0))),esk7_4(esk3_0,esk4_0,cartesian_product2(esk3_0,esk4_0),unordered_pair(unordered_pair(esk1_0,esk1_0),unordered_pair(esk1_0,esk2_0)))),unordered_pair(unordered_pair(esk1_0,esk1_0),unordered_pair(esk1_0,esk2_0)))
    | in(esk1_0,esk3_0) ),
    inference(spm,[status(thm)],[c_0_34,c_0_35]) ).

cnf(c_0_41,lemma,
    ( X2 = X4
    | ordered_pair(X1,X2) != ordered_pair(X3,X4) ),
    inference(split_conjunct,[status(thm)],[c_0_36]) ).

cnf(c_0_42,negated_conjecture,
    ( in(ordered_pair(esk1_0,esk2_0),cartesian_product2(esk3_0,esk4_0))
    | in(esk2_0,esk4_0) ),
    inference(split_conjunct,[status(thm)],[c_0_18]) ).

cnf(c_0_43,lemma,
    ( subset(unordered_pair(esk7_4(esk3_0,esk4_0,cartesian_product2(esk3_0,esk4_0),unordered_pair(unordered_pair(esk1_0,esk1_0),unordered_pair(esk1_0,esk2_0))),esk7_4(esk3_0,esk4_0,cartesian_product2(esk3_0,esk4_0),unordered_pair(unordered_pair(esk1_0,esk1_0),unordered_pair(esk1_0,esk2_0)))),esk3_0)
    | in(esk1_0,esk3_0) ),
    inference(spm,[status(thm)],[c_0_37,c_0_38]) ).

cnf(c_0_44,negated_conjecture,
    ( unordered_pair(esk7_4(esk3_0,esk4_0,cartesian_product2(esk3_0,esk4_0),unordered_pair(unordered_pair(esk1_0,esk1_0),unordered_pair(esk1_0,esk2_0))),esk7_4(esk3_0,esk4_0,cartesian_product2(esk3_0,esk4_0),unordered_pair(unordered_pair(esk1_0,esk1_0),unordered_pair(esk1_0,esk2_0)))) = unordered_pair(esk1_0,esk1_0)
    | unordered_pair(esk7_4(esk3_0,esk4_0,cartesian_product2(esk3_0,esk4_0),unordered_pair(unordered_pair(esk1_0,esk1_0),unordered_pair(esk1_0,esk2_0))),esk7_4(esk3_0,esk4_0,cartesian_product2(esk3_0,esk4_0),unordered_pair(unordered_pair(esk1_0,esk1_0),unordered_pair(esk1_0,esk2_0)))) = unordered_pair(esk1_0,esk2_0)
    | in(esk1_0,esk3_0) ),
    inference(spm,[status(thm)],[c_0_39,c_0_40]) ).

cnf(c_0_45,lemma,
    ( X2 = X4
    | unordered_pair(unordered_pair(X1,X2),unordered_pair(X1,X1)) != unordered_pair(unordered_pair(X3,X4),unordered_pair(X3,X3)) ),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_41,c_0_16]),c_0_16]) ).

cnf(c_0_46,negated_conjecture,
    ( in(esk2_0,esk4_0)
    | in(unordered_pair(unordered_pair(esk1_0,esk2_0),unordered_pair(esk1_0,esk1_0)),cartesian_product2(esk3_0,esk4_0)) ),
    inference(rw,[status(thm)],[c_0_42,c_0_16]) ).

fof(c_0_47,plain,
    ! [X4,X5,X6,X4,X5] :
      ( ( ~ subset(X4,X5)
        | ~ in(X6,X4)
        | in(X6,X5) )
      & ( in(esk5_2(X4,X5),X4)
        | subset(X4,X5) )
      & ( ~ in(esk5_2(X4,X5),X5)
        | subset(X4,X5) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(shift_quantors,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[d3_tarski])])])])])])]) ).

cnf(c_0_48,lemma,
    ( unordered_pair(esk7_4(esk3_0,esk4_0,cartesian_product2(esk3_0,esk4_0),unordered_pair(unordered_pair(esk1_0,esk1_0),unordered_pair(esk1_0,esk2_0))),esk7_4(esk3_0,esk4_0,cartesian_product2(esk3_0,esk4_0),unordered_pair(unordered_pair(esk1_0,esk1_0),unordered_pair(esk1_0,esk2_0)))) = unordered_pair(esk1_0,esk1_0)
    | subset(unordered_pair(esk1_0,esk2_0),esk3_0)
    | in(esk1_0,esk3_0) ),
    inference(spm,[status(thm)],[c_0_43,c_0_44]) ).

cnf(c_0_49,lemma,
    ( X1 = X2
    | unordered_pair(unordered_pair(X3,X1),unordered_pair(X3,X3)) != unordered_pair(unordered_pair(X4,X4),unordered_pair(X4,X2)) ),
    inference(spm,[status(thm)],[c_0_45,c_0_21]) ).

cnf(c_0_50,negated_conjecture,
    ( in(unordered_pair(unordered_pair(esk1_0,esk1_0),unordered_pair(esk1_0,esk2_0)),cartesian_product2(esk3_0,esk4_0))
    | in(esk2_0,esk4_0) ),
    inference(rw,[status(thm)],[c_0_46,c_0_21]) ).

cnf(c_0_51,plain,
    ( in(X1,X2)
    | ~ in(X1,X3)
    | ~ subset(X3,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_47]) ).

cnf(c_0_52,lemma,
    ( subset(unordered_pair(esk1_0,esk2_0),esk3_0)
    | subset(unordered_pair(esk1_0,esk1_0),esk3_0) ),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_43,c_0_48]),c_0_37]) ).

cnf(c_0_53,plain,
    ( in(X4,X1)
    | X1 != cartesian_product2(X2,X3)
    | X4 != ordered_pair(X5,X6)
    | ~ in(X6,X3)
    | ~ in(X5,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

cnf(c_0_54,plain,
    ( in(esk8_4(X2,X3,X1,X4),X3)
    | X1 != cartesian_product2(X2,X3)
    | ~ in(X4,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

cnf(c_0_55,lemma,
    ( X1 = X2
    | unordered_pair(unordered_pair(X3,X3),unordered_pair(X3,X1)) != unordered_pair(unordered_pair(X4,X4),unordered_pair(X4,X2)) ),
    inference(spm,[status(thm)],[c_0_49,c_0_21]) ).

cnf(c_0_56,negated_conjecture,
    ( unordered_pair(unordered_pair(esk7_4(esk3_0,esk4_0,cartesian_product2(esk3_0,esk4_0),unordered_pair(unordered_pair(esk1_0,esk1_0),unordered_pair(esk1_0,esk2_0))),esk7_4(esk3_0,esk4_0,cartesian_product2(esk3_0,esk4_0),unordered_pair(unordered_pair(esk1_0,esk1_0),unordered_pair(esk1_0,esk2_0)))),unordered_pair(esk7_4(esk3_0,esk4_0,cartesian_product2(esk3_0,esk4_0),unordered_pair(unordered_pair(esk1_0,esk1_0),unordered_pair(esk1_0,esk2_0))),esk8_4(esk3_0,esk4_0,cartesian_product2(esk3_0,esk4_0),unordered_pair(unordered_pair(esk1_0,esk1_0),unordered_pair(esk1_0,esk2_0))))) = unordered_pair(unordered_pair(esk1_0,esk1_0),unordered_pair(esk1_0,esk2_0))
    | in(esk2_0,esk4_0) ),
    inference(spm,[status(thm)],[c_0_29,c_0_50]) ).

cnf(c_0_57,negated_conjecture,
    ( ~ in(esk2_0,esk4_0)
    | ~ in(esk1_0,esk3_0)
    | ~ in(ordered_pair(esk1_0,esk2_0),cartesian_product2(esk3_0,esk4_0)) ),
    inference(split_conjunct,[status(thm)],[c_0_18]) ).

cnf(c_0_58,lemma,
    ( in(X1,X2)
    | ~ subset(singleton(X1),X2) ),
    inference(split_conjunct,[status(thm)],[c_0_26]) ).

cnf(c_0_59,lemma,
    ( subset(unordered_pair(esk1_0,esk1_0),esk3_0)
    | in(X1,esk3_0)
    | ~ in(X1,unordered_pair(esk1_0,esk2_0)) ),
    inference(spm,[status(thm)],[c_0_51,c_0_52]) ).

cnf(c_0_60,plain,
    ( in(X4,X1)
    | X1 != cartesian_product2(X2,X3)
    | X4 != unordered_pair(unordered_pair(X5,X6),unordered_pair(X5,X5))
    | ~ in(X6,X3)
    | ~ in(X5,X2) ),
    inference(rw,[status(thm)],[c_0_53,c_0_16]) ).

cnf(c_0_61,plain,
    ( in(esk8_4(X1,X2,cartesian_product2(X1,X2),X3),X2)
    | ~ in(X3,cartesian_product2(X1,X2)) ),
    inference(er,[status(thm)],[c_0_54]) ).

cnf(c_0_62,lemma,
    ( X1 = esk8_4(esk3_0,esk4_0,cartesian_product2(esk3_0,esk4_0),unordered_pair(unordered_pair(esk1_0,esk1_0),unordered_pair(esk1_0,esk2_0)))
    | in(esk2_0,esk4_0)
    | unordered_pair(unordered_pair(X2,X2),unordered_pair(X2,X1)) != unordered_pair(unordered_pair(esk1_0,esk1_0),unordered_pair(esk1_0,esk2_0)) ),
    inference(spm,[status(thm)],[c_0_55,c_0_56]) ).

cnf(c_0_63,negated_conjecture,
    ( ~ in(esk1_0,esk3_0)
    | ~ in(esk2_0,esk4_0)
    | ~ in(unordered_pair(unordered_pair(esk1_0,esk2_0),unordered_pair(esk1_0,esk1_0)),cartesian_product2(esk3_0,esk4_0)) ),
    inference(rw,[status(thm)],[c_0_57,c_0_16]) ).

cnf(c_0_64,lemma,
    ( in(X1,X2)
    | ~ subset(unordered_pair(X1,X1),X2) ),
    inference(rw,[status(thm)],[c_0_58,c_0_13]) ).

cnf(c_0_65,lemma,
    subset(unordered_pair(esk1_0,esk1_0),esk3_0),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_59,c_0_34]),c_0_37]) ).

cnf(c_0_66,plain,
    ( in(unordered_pair(unordered_pair(X1,X2),unordered_pair(X1,X1)),X3)
    | X3 != cartesian_product2(X4,X5)
    | ~ in(X2,X5)
    | ~ in(X1,X4) ),
    inference(er,[status(thm)],[c_0_60]) ).

cnf(c_0_67,negated_conjecture,
    ( in(esk8_4(esk3_0,esk4_0,cartesian_product2(esk3_0,esk4_0),unordered_pair(unordered_pair(esk1_0,esk1_0),unordered_pair(esk1_0,esk2_0))),esk4_0)
    | in(esk2_0,esk4_0) ),
    inference(spm,[status(thm)],[c_0_61,c_0_50]) ).

cnf(c_0_68,lemma,
    ( esk8_4(esk3_0,esk4_0,cartesian_product2(esk3_0,esk4_0),unordered_pair(unordered_pair(esk1_0,esk1_0),unordered_pair(esk1_0,esk2_0))) = esk2_0
    | in(esk2_0,esk4_0) ),
    inference(er,[status(thm)],[c_0_62]) ).

cnf(c_0_69,negated_conjecture,
    ( ~ in(unordered_pair(unordered_pair(esk1_0,esk1_0),unordered_pair(esk1_0,esk2_0)),cartesian_product2(esk3_0,esk4_0))
    | ~ in(esk1_0,esk3_0)
    | ~ in(esk2_0,esk4_0) ),
    inference(rw,[status(thm)],[c_0_63,c_0_21]) ).

cnf(c_0_70,lemma,
    in(esk1_0,esk3_0),
    inference(spm,[status(thm)],[c_0_64,c_0_65]) ).

cnf(c_0_71,plain,
    ( in(unordered_pair(unordered_pair(X1,X2),unordered_pair(X1,X1)),cartesian_product2(X3,X4))
    | ~ in(X2,X4)
    | ~ in(X1,X3) ),
    inference(er,[status(thm)],[c_0_66]) ).

cnf(c_0_72,negated_conjecture,
    in(esk2_0,esk4_0),
    inference(spm,[status(thm)],[c_0_67,c_0_68]) ).

cnf(c_0_73,negated_conjecture,
    ( ~ in(unordered_pair(unordered_pair(esk1_0,esk1_0),unordered_pair(esk1_0,esk2_0)),cartesian_product2(esk3_0,esk4_0))
    | ~ in(esk2_0,esk4_0) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_69,c_0_70])]) ).

cnf(c_0_74,negated_conjecture,
    ( in(unordered_pair(unordered_pair(X1,esk2_0),unordered_pair(X1,X1)),cartesian_product2(X2,esk4_0))
    | ~ in(X1,X2) ),
    inference(spm,[status(thm)],[c_0_71,c_0_72]) ).

cnf(c_0_75,negated_conjecture,
    ~ in(unordered_pair(unordered_pair(esk1_0,esk1_0),unordered_pair(esk1_0,esk2_0)),cartesian_product2(esk3_0,esk4_0)),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_73,c_0_72])]) ).

cnf(c_0_76,lemma,
    $false,
    inference(sr,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_74,c_0_70]),c_0_21]),c_0_75]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12  % Problem  : SEU157+2 : TPTP v8.1.0. Released v3.3.0.
% 0.12/0.12  % Command  : run_ET %s %d
% 0.12/0.33  % Computer : n019.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Sun Jun 19 02:55:39 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.28/13.47  # Running protocol protocol_eprover_2d86bd69119e7e9cc4417c0ee581499eaf828bb2 for 23 seconds:
% 0.28/13.47  # SinE strategy is GSinE(CountFormulas,,1.1,,02,500,1.0)
% 0.28/13.47  # Preprocessing time       : 0.018 s
% 0.28/13.47  
% 0.28/13.47  # Proof found!
% 0.28/13.47  # SZS status Theorem
% 0.28/13.47  # SZS output start CNFRefutation
% See solution above
% 0.28/13.48  # Proof object total steps             : 77
% 0.28/13.48  # Proof object clause steps            : 58
% 0.28/13.48  # Proof object formula steps           : 19
% 0.28/13.48  # Proof object conjectures             : 22
% 0.28/13.48  # Proof object clause conjectures      : 19
% 0.28/13.48  # Proof object formula conjectures     : 3
% 0.28/13.48  # Proof object initial clauses used    : 16
% 0.28/13.48  # Proof object initial formulas used   : 9
% 0.28/13.48  # Proof object generating inferences   : 26
% 0.28/13.48  # Proof object simplifying inferences  : 23
% 0.28/13.48  # Training examples: 0 positive, 0 negative
% 0.28/13.48  # Parsed axioms                        : 87
% 0.28/13.48  # Removed by relevancy pruning/SinE    : 55
% 0.28/13.48  # Initial clauses                      : 58
% 0.28/13.48  # Removed in clause preprocessing      : 2
% 0.28/13.48  # Initial clauses in saturation        : 56
% 0.28/13.48  # Processed clauses                    : 23157
% 0.28/13.48  # ...of these trivial                  : 536
% 0.28/13.48  # ...subsumed                          : 18164
% 0.28/13.48  # ...remaining for further processing  : 4457
% 0.28/13.48  # Other redundant clauses eliminated   : 315
% 0.28/13.48  # Clauses deleted for lack of memory   : 266172
% 0.28/13.48  # Backward-subsumed                    : 36
% 0.28/13.48  # Backward-rewritten                   : 894
% 0.28/13.48  # Generated clauses                    : 514302
% 0.28/13.48  # ...of the previous two non-trivial   : 473878
% 0.28/13.48  # Contextual simplify-reflections      : 1616
% 0.28/13.48  # Paramodulations                      : 513492
% 0.28/13.48  # Factorizations                       : 347
% 0.28/13.48  # Equation resolutions                 : 461
% 0.28/13.48  # Current number of processed clauses  : 3520
% 0.28/13.48  #    Positive orientable unit clauses  : 637
% 0.28/13.48  #    Positive unorientable unit clauses: 1
% 0.28/13.48  #    Negative unit clauses             : 263
% 0.28/13.48  #    Non-unit-clauses                  : 2619
% 0.28/13.48  # Current number of unprocessed clauses: 109577
% 0.28/13.48  # ...number of literals in the above   : 397852
% 0.28/13.48  # Current number of archived formulas  : 0
% 0.28/13.48  # Current number of archived clauses   : 934
% 0.28/13.48  # Clause-clause subsumption calls (NU) : 2090397
% 0.28/13.48  # Rec. Clause-clause subsumption calls : 1331529
% 0.28/13.48  # Non-unit clause-clause subsumptions  : 12502
% 0.28/13.48  # Unit Clause-clause subsumption calls : 14678
% 0.28/13.48  # Rewrite failures with RHS unbound    : 0
% 0.28/13.48  # BW rewrite match attempts            : 4321
% 0.28/13.48  # BW rewrite match successes           : 36
% 0.28/13.48  # Condensation attempts                : 0
% 0.28/13.48  # Condensation successes               : 0
% 0.28/13.48  # Termbank termtop insertions          : 57644855
% 0.28/13.48  
% 0.28/13.48  # -------------------------------------------------
% 0.28/13.48  # User time                : 12.906 s
% 0.28/13.48  # System time              : 0.107 s
% 0.28/13.48  # Total time               : 13.013 s
% 0.28/13.48  # Maximum resident set size: 145368 pages
% 0.31/23.40  eprover: CPU time limit exceeded, terminating
% 0.31/23.41  eprover: CPU time limit exceeded, terminating
% 0.31/23.41  eprover: CPU time limit exceeded, terminating
% 0.31/23.41  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.31/23.41  eprover: No such file or directory
% 0.31/23.42  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.31/23.42  eprover: No such file or directory
% 0.31/23.42  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.31/23.42  eprover: No such file or directory
% 0.31/23.43  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.31/23.43  eprover: No such file or directory
% 0.31/23.43  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.31/23.43  eprover: No such file or directory
% 0.31/23.43  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.31/23.43  eprover: No such file or directory
% 0.31/23.43  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.31/23.43  eprover: No such file or directory
% 0.31/23.43  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.31/23.43  eprover: No such file or directory
% 0.31/23.43  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.31/23.43  eprover: No such file or directory
% 0.31/23.44  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.31/23.44  eprover: No such file or directory
% 0.31/23.44  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.31/23.44  eprover: No such file or directory
% 0.31/23.44  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.31/23.44  eprover: No such file or directory
% 0.31/23.44  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.31/23.44  eprover: No such file or directory
% 0.31/23.44  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.31/23.44  eprover: No such file or directory
% 0.31/23.44  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.31/23.44  eprover: No such file or directory
% 0.31/23.44  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.31/23.44  eprover: No such file or directory
% 0.31/23.45  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.31/23.45  eprover: No such file or directory
% 0.31/23.45  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.31/23.45  eprover: No such file or directory
% 0.31/23.45  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.31/23.45  eprover: No such file or directory
% 0.31/23.45  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.31/23.45  eprover: No such file or directory
% 0.31/23.45  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.31/23.45  eprover: No such file or directory
% 0.31/23.45  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.31/23.45  eprover: No such file or directory
% 0.31/23.46  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.31/23.46  eprover: No such file or directory
% 0.31/23.46  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.31/23.46  eprover: No such file or directory
% 0.31/23.46  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.31/23.46  eprover: No such file or directory
% 0.31/23.46  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.31/23.46  eprover: No such file or directory
% 0.31/23.46  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.31/23.46  eprover: No such file or directory
% 0.31/23.46  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p
% 0.31/23.46  eprover: No such file or directory
% 0.31/23.47  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.31/23.47  eprover: No such file or directory
% 0.31/23.47  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.31/23.47  eprover: No such file or directory
% 0.31/23.47  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.31/23.47  eprover: No such file or directory
% 0.31/23.48  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.31/23.48  eprover: No such file or directory
% 0.31/23.48  eprover: Cannot stat file /export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.31/23.48  eprover: No such file or directory
%------------------------------------------------------------------------------