TSTP Solution File: SET980+1 by CSE_E---1.5

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : CSE_E---1.5
% Problem  : SET980+1 : TPTP v8.1.2. Bugfixed v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -jar /export/starexec/sandbox/solver/bin/mcs_scs.jar %d %s

% Computer : n021.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 14:36:31 EDT 2023

% Result   : Theorem 0.21s 0.60s
% Output   : CNFRefutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   18
%            Number of leaves      :   20
% Syntax   : Number of formulae    :   65 (  12 unt;  15 typ;   0 def)
%            Number of atoms       :  127 (  42 equ)
%            Maximal formula atoms :    7 (   2 avg)
%            Number of connectives :  132 (  55   ~;  60   |;  10   &)
%                                         (   4 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   13 (   8   >;   5   *;   0   +;   0  <<)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :   13 (  13 usr;   7 con; 0-2 aty)
%            Number of variables   :   92 (  18 sgn;  32   !;   0   ?;   0   :)

% Comments : 
%------------------------------------------------------------------------------
tff(decl_22,type,
    in: ( $i * $i ) > $o ).

tff(decl_23,type,
    unordered_pair: ( $i * $i ) > $i ).

tff(decl_24,type,
    empty_set: $i ).

tff(decl_25,type,
    ordered_pair: ( $i * $i ) > $i ).

tff(decl_26,type,
    singleton: $i > $i ).

tff(decl_27,type,
    empty: $i > $o ).

tff(decl_28,type,
    cartesian_product2: ( $i * $i ) > $i ).

tff(decl_29,type,
    esk1_1: $i > $i ).

tff(decl_30,type,
    esk2_0: $i ).

tff(decl_31,type,
    esk3_0: $i ).

tff(decl_32,type,
    esk4_0: $i ).

tff(decl_33,type,
    esk5_0: $i ).

tff(decl_34,type,
    esk6_0: $i ).

tff(decl_35,type,
    esk7_0: $i ).

tff(decl_36,type,
    esk8_2: ( $i * $i ) > $i ).

fof(l55_zfmisc_1,axiom,
    ! [X1,X2,X3,X4] :
      ( in(ordered_pair(X1,X2),cartesian_product2(X3,X4))
    <=> ( in(X1,X3)
        & in(X2,X4) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',l55_zfmisc_1) ).

fof(d5_tarski,axiom,
    ! [X1,X2] : ordered_pair(X1,X2) = unordered_pair(unordered_pair(X1,X2),singleton(X1)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d5_tarski) ).

fof(t134_zfmisc_1,conjecture,
    ! [X1,X2,X3,X4] :
      ( cartesian_product2(X1,X2) = cartesian_product2(X3,X4)
     => ( X1 = empty_set
        | X2 = empty_set
        | ( X1 = X3
          & X2 = X4 ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t134_zfmisc_1) ).

fof(d1_xboole_0,axiom,
    ! [X1] :
      ( X1 = empty_set
    <=> ! [X2] : ~ in(X2,X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d1_xboole_0) ).

fof(t2_tarski,axiom,
    ! [X1,X2] :
      ( ! [X3] :
          ( in(X3,X1)
        <=> in(X3,X2) )
     => X1 = X2 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t2_tarski) ).

fof(c_0_5,plain,
    ! [X17,X18,X19,X20] :
      ( ( in(X17,X19)
        | ~ in(ordered_pair(X17,X18),cartesian_product2(X19,X20)) )
      & ( in(X18,X20)
        | ~ in(ordered_pair(X17,X18),cartesian_product2(X19,X20)) )
      & ( ~ in(X17,X19)
        | ~ in(X18,X20)
        | in(ordered_pair(X17,X18),cartesian_product2(X19,X20)) ) ),
    inference(distribute,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[l55_zfmisc_1])])]) ).

fof(c_0_6,plain,
    ! [X13,X14] : ordered_pair(X13,X14) = unordered_pair(unordered_pair(X13,X14),singleton(X13)),
    inference(variable_rename,[status(thm)],[d5_tarski]) ).

fof(c_0_7,negated_conjecture,
    ~ ! [X1,X2,X3,X4] :
        ( cartesian_product2(X1,X2) = cartesian_product2(X3,X4)
       => ( X1 = empty_set
          | X2 = empty_set
          | ( X1 = X3
            & X2 = X4 ) ) ),
    inference(assume_negation,[status(cth)],[t134_zfmisc_1]) ).

fof(c_0_8,plain,
    ! [X1] :
      ( X1 = empty_set
    <=> ! [X2] : ~ in(X2,X1) ),
    inference(fof_simplification,[status(thm)],[d1_xboole_0]) ).

cnf(c_0_9,plain,
    ( in(X1,X2)
    | ~ in(ordered_pair(X3,X1),cartesian_product2(X4,X2)) ),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_10,plain,
    ordered_pair(X1,X2) = unordered_pair(unordered_pair(X1,X2),singleton(X1)),
    inference(split_conjunct,[status(thm)],[c_0_6]) ).

fof(c_0_11,negated_conjecture,
    ( cartesian_product2(esk4_0,esk5_0) = cartesian_product2(esk6_0,esk7_0)
    & esk4_0 != empty_set
    & esk5_0 != empty_set
    & ( esk4_0 != esk6_0
      | esk5_0 != esk7_0 ) ),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_7])])]) ).

fof(c_0_12,plain,
    ! [X9,X10,X11] :
      ( ( X9 != empty_set
        | ~ in(X10,X9) )
      & ( in(esk1_1(X11),X11)
        | X11 = empty_set ) ),
    inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_8])])])])]) ).

cnf(c_0_13,plain,
    ( in(ordered_pair(X1,X3),cartesian_product2(X2,X4))
    | ~ in(X1,X2)
    | ~ in(X3,X4) ),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_14,plain,
    ( in(X1,X2)
    | ~ in(unordered_pair(unordered_pair(X3,X1),singleton(X3)),cartesian_product2(X4,X2)) ),
    inference(rw,[status(thm)],[c_0_9,c_0_10]) ).

cnf(c_0_15,negated_conjecture,
    cartesian_product2(esk4_0,esk5_0) = cartesian_product2(esk6_0,esk7_0),
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

cnf(c_0_16,plain,
    ( X1 != empty_set
    | ~ in(X2,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

fof(c_0_17,plain,
    ! [X29,X30] :
      ( ( ~ in(esk8_2(X29,X30),X29)
        | ~ in(esk8_2(X29,X30),X30)
        | X29 = X30 )
      & ( in(esk8_2(X29,X30),X29)
        | in(esk8_2(X29,X30),X30)
        | X29 = X30 ) ),
    inference(distribute,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[t2_tarski])])])]) ).

cnf(c_0_18,plain,
    ( in(X1,X2)
    | ~ in(ordered_pair(X1,X3),cartesian_product2(X2,X4)) ),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_19,plain,
    ( in(unordered_pair(unordered_pair(X1,X3),singleton(X1)),cartesian_product2(X2,X4))
    | ~ in(X3,X4)
    | ~ in(X1,X2) ),
    inference(rw,[status(thm)],[c_0_13,c_0_10]) ).

cnf(c_0_20,negated_conjecture,
    ( in(X1,esk7_0)
    | ~ in(unordered_pair(unordered_pair(X2,X1),singleton(X2)),cartesian_product2(esk4_0,esk5_0)) ),
    inference(spm,[status(thm)],[c_0_14,c_0_15]) ).

cnf(c_0_21,plain,
    ~ in(X1,empty_set),
    inference(er,[status(thm)],[c_0_16]) ).

cnf(c_0_22,plain,
    ( in(esk8_2(X1,X2),X1)
    | in(esk8_2(X1,X2),X2)
    | X1 = X2 ),
    inference(split_conjunct,[status(thm)],[c_0_17]) ).

cnf(c_0_23,plain,
    ( in(X1,X2)
    | ~ in(unordered_pair(unordered_pair(X1,X3),singleton(X1)),cartesian_product2(X2,X4)) ),
    inference(rw,[status(thm)],[c_0_18,c_0_10]) ).

cnf(c_0_24,negated_conjecture,
    ( in(unordered_pair(unordered_pair(X1,X2),singleton(X1)),cartesian_product2(esk4_0,esk5_0))
    | ~ in(X2,esk7_0)
    | ~ in(X1,esk6_0) ),
    inference(spm,[status(thm)],[c_0_19,c_0_15]) ).

cnf(c_0_25,negated_conjecture,
    ( in(X1,esk7_0)
    | ~ in(X1,esk5_0)
    | ~ in(X2,esk4_0) ),
    inference(spm,[status(thm)],[c_0_20,c_0_19]) ).

cnf(c_0_26,plain,
    ( empty_set = X1
    | in(esk8_2(empty_set,X1),X1) ),
    inference(spm,[status(thm)],[c_0_21,c_0_22]) ).

cnf(c_0_27,negated_conjecture,
    esk4_0 != empty_set,
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

cnf(c_0_28,negated_conjecture,
    ( in(X1,esk4_0)
    | ~ in(X2,esk7_0)
    | ~ in(X1,esk6_0) ),
    inference(spm,[status(thm)],[c_0_23,c_0_24]) ).

cnf(c_0_29,negated_conjecture,
    ( in(X1,esk7_0)
    | ~ in(X1,esk5_0) ),
    inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_25,c_0_26]),c_0_27]) ).

cnf(c_0_30,negated_conjecture,
    ( in(X1,esk4_0)
    | ~ in(X1,esk6_0)
    | ~ in(X2,esk5_0) ),
    inference(spm,[status(thm)],[c_0_28,c_0_29]) ).

cnf(c_0_31,negated_conjecture,
    ( esk6_0 = X1
    | in(esk8_2(esk6_0,X1),esk4_0)
    | in(esk8_2(esk6_0,X1),X1)
    | ~ in(X2,esk5_0) ),
    inference(spm,[status(thm)],[c_0_30,c_0_22]) ).

cnf(c_0_32,negated_conjecture,
    esk5_0 != empty_set,
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

cnf(c_0_33,negated_conjecture,
    ( esk6_0 = X1
    | in(esk8_2(esk6_0,X1),esk4_0)
    | in(esk8_2(esk6_0,X1),X1) ),
    inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_31,c_0_26]),c_0_32]) ).

cnf(c_0_34,negated_conjecture,
    ( in(X1,esk6_0)
    | ~ in(unordered_pair(unordered_pair(X1,X2),singleton(X1)),cartesian_product2(esk4_0,esk5_0)) ),
    inference(spm,[status(thm)],[c_0_23,c_0_15]) ).

cnf(c_0_35,plain,
    ( X1 = X2
    | ~ in(esk8_2(X1,X2),X1)
    | ~ in(esk8_2(X1,X2),X2) ),
    inference(split_conjunct,[status(thm)],[c_0_17]) ).

cnf(c_0_36,negated_conjecture,
    ( esk6_0 = esk4_0
    | in(esk8_2(esk6_0,esk4_0),esk4_0) ),
    inference(ef,[status(thm)],[c_0_33]) ).

cnf(c_0_37,negated_conjecture,
    ( in(X1,esk6_0)
    | ~ in(X2,esk5_0)
    | ~ in(X1,esk4_0) ),
    inference(spm,[status(thm)],[c_0_34,c_0_19]) ).

cnf(c_0_38,negated_conjecture,
    ( esk6_0 = esk4_0
    | ~ in(esk8_2(esk6_0,esk4_0),esk6_0) ),
    inference(spm,[status(thm)],[c_0_35,c_0_36]) ).

cnf(c_0_39,negated_conjecture,
    ( in(X1,esk6_0)
    | ~ in(X1,esk4_0) ),
    inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_37,c_0_26]),c_0_32]) ).

cnf(c_0_40,negated_conjecture,
    ( in(X1,esk5_0)
    | ~ in(X1,esk7_0)
    | ~ in(X2,esk6_0) ),
    inference(spm,[status(thm)],[c_0_14,c_0_24]) ).

cnf(c_0_41,negated_conjecture,
    esk6_0 = esk4_0,
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_38,c_0_39]),c_0_36]) ).

cnf(c_0_42,negated_conjecture,
    ( in(X1,esk5_0)
    | ~ in(X1,esk7_0)
    | ~ in(X2,esk4_0) ),
    inference(rw,[status(thm)],[c_0_40,c_0_41]) ).

cnf(c_0_43,negated_conjecture,
    ( esk7_0 = X1
    | in(esk8_2(esk7_0,X1),esk5_0)
    | in(esk8_2(esk7_0,X1),X1)
    | ~ in(X2,esk4_0) ),
    inference(spm,[status(thm)],[c_0_42,c_0_22]) ).

cnf(c_0_44,negated_conjecture,
    ( esk4_0 != esk6_0
    | esk5_0 != esk7_0 ),
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

cnf(c_0_45,negated_conjecture,
    ( esk7_0 = X1
    | in(esk8_2(esk7_0,X1),esk5_0)
    | in(esk8_2(esk7_0,X1),X1) ),
    inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_43,c_0_26]),c_0_27]) ).

cnf(c_0_46,negated_conjecture,
    esk7_0 != esk5_0,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_44,c_0_41])]) ).

cnf(c_0_47,negated_conjecture,
    in(esk8_2(esk7_0,esk5_0),esk5_0),
    inference(sr,[status(thm)],[inference(ef,[status(thm)],[c_0_45]),c_0_46]) ).

cnf(c_0_48,negated_conjecture,
    ~ in(esk8_2(esk7_0,esk5_0),esk7_0),
    inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_35,c_0_47]),c_0_46]) ).

cnf(c_0_49,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_48,c_0_29]),c_0_47])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.13  % Problem    : SET980+1 : TPTP v8.1.2. Bugfixed v4.0.0.
% 0.00/0.13  % Command    : java -jar /export/starexec/sandbox/solver/bin/mcs_scs.jar %d %s
% 0.14/0.35  % Computer : n021.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit   : 300
% 0.14/0.35  % WCLimit    : 300
% 0.14/0.35  % DateTime   : Sat Aug 26 13:45:26 EDT 2023
% 0.21/0.35  % CPUTime  : 
% 0.21/0.57  start to proof: theBenchmark
% 0.21/0.60  % Version  : CSE_E---1.5
% 0.21/0.60  % Problem  : theBenchmark.p
% 0.21/0.60  % Proof found
% 0.21/0.60  % SZS status Theorem for theBenchmark.p
% 0.21/0.60  % SZS output start Proof
% See solution above
% 0.21/0.61  % Total time : 0.020000 s
% 0.21/0.61  % SZS output end Proof
% 0.21/0.61  % Total time : 0.023000 s
%------------------------------------------------------------------------------