TSTP Solution File: SET906+1 by CSE_E---1.5

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%------------------------------------------------------------------------------
% File     : CSE_E---1.5
% Problem  : SET906+1 : TPTP v8.1.2. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -jar /export/starexec/sandbox2/solver/bin/mcs_scs.jar %d %s

% Computer : n011.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 14:36:12 EDT 2023

% Result   : Theorem 0.21s 0.59s
% Output   : CNFRefutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :   19
% Syntax   : Number of formulae    :   40 (  12 unt;  13 typ;   0 def)
%            Number of atoms       :   91 (  33 equ)
%            Maximal formula atoms :   20 (   3 avg)
%            Number of connectives :   99 (  35   ~;  43   |;  13   &)
%                                         (   5 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   17 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   17 (   8   >;   9   *;   0   +;   0  <<)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :   10 (  10 usr;   5 con; 0-3 aty)
%            Number of variables   :   70 (   5 sgn;  46   !;   0   ?;   0   :)

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

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

tff(decl_24,type,
    set_union2: ( $i * $i ) > $i ).

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

tff(decl_26,type,
    empty: $i > $o ).

tff(decl_27,type,
    esk1_3: ( $i * $i * $i ) > $i ).

tff(decl_28,type,
    esk2_3: ( $i * $i * $i ) > $i ).

tff(decl_29,type,
    esk3_2: ( $i * $i ) > $i ).

tff(decl_30,type,
    esk4_0: $i ).

tff(decl_31,type,
    esk5_0: $i ).

tff(decl_32,type,
    esk6_0: $i ).

tff(decl_33,type,
    esk7_0: $i ).

tff(decl_34,type,
    esk8_0: $i ).

fof(t47_zfmisc_1,conjecture,
    ! [X1,X2,X3] :
      ( subset(set_union2(unordered_pair(X1,X2),X3),X3)
     => in(X1,X3) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t47_zfmisc_1) ).

fof(commutativity_k2_xboole_0,axiom,
    ! [X1,X2] : set_union2(X1,X2) = set_union2(X2,X1),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_k2_xboole_0) ).

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

fof(d2_xboole_0,axiom,
    ! [X1,X2,X3] :
      ( X3 = set_union2(X1,X2)
    <=> ! [X4] :
          ( in(X4,X3)
        <=> ( in(X4,X1)
            | in(X4,X2) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_xboole_0) ).

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

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

fof(c_0_6,negated_conjecture,
    ~ ! [X1,X2,X3] :
        ( subset(set_union2(unordered_pair(X1,X2),X3),X3)
       => in(X1,X3) ),
    inference(assume_negation,[status(cth)],[t47_zfmisc_1]) ).

fof(c_0_7,negated_conjecture,
    ( subset(set_union2(unordered_pair(esk6_0,esk7_0),esk8_0),esk8_0)
    & ~ in(esk6_0,esk8_0) ),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_6])])]) ).

fof(c_0_8,plain,
    ! [X9,X10] : set_union2(X9,X10) = set_union2(X10,X9),
    inference(variable_rename,[status(thm)],[commutativity_k2_xboole_0]) ).

fof(c_0_9,plain,
    ! [X29,X30,X31,X32,X33] :
      ( ( ~ subset(X29,X30)
        | ~ in(X31,X29)
        | in(X31,X30) )
      & ( in(esk3_2(X32,X33),X32)
        | subset(X32,X33) )
      & ( ~ in(esk3_2(X32,X33),X33)
        | subset(X32,X33) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(fof_nnf,[status(thm)],[d3_tarski])])])])])]) ).

cnf(c_0_10,negated_conjecture,
    subset(set_union2(unordered_pair(esk6_0,esk7_0),esk8_0),esk8_0),
    inference(split_conjunct,[status(thm)],[c_0_7]) ).

cnf(c_0_11,plain,
    set_union2(X1,X2) = set_union2(X2,X1),
    inference(split_conjunct,[status(thm)],[c_0_8]) ).

fof(c_0_12,plain,
    ! [X20,X21,X22,X23,X24,X25,X26,X27] :
      ( ( ~ in(X23,X22)
        | in(X23,X20)
        | in(X23,X21)
        | X22 != set_union2(X20,X21) )
      & ( ~ in(X24,X20)
        | in(X24,X22)
        | X22 != set_union2(X20,X21) )
      & ( ~ in(X24,X21)
        | in(X24,X22)
        | X22 != set_union2(X20,X21) )
      & ( ~ in(esk2_3(X25,X26,X27),X25)
        | ~ in(esk2_3(X25,X26,X27),X27)
        | X27 = set_union2(X25,X26) )
      & ( ~ in(esk2_3(X25,X26,X27),X26)
        | ~ in(esk2_3(X25,X26,X27),X27)
        | X27 = set_union2(X25,X26) )
      & ( in(esk2_3(X25,X26,X27),X27)
        | in(esk2_3(X25,X26,X27),X25)
        | in(esk2_3(X25,X26,X27),X26)
        | X27 = set_union2(X25,X26) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(fof_nnf,[status(thm)],[d2_xboole_0])])])])])]) ).

fof(c_0_13,plain,
    ! [X11,X12,X13,X14,X15,X16,X17,X18] :
      ( ( ~ in(X14,X13)
        | X14 = X11
        | X14 = X12
        | X13 != unordered_pair(X11,X12) )
      & ( X15 != X11
        | in(X15,X13)
        | X13 != unordered_pair(X11,X12) )
      & ( X15 != X12
        | in(X15,X13)
        | X13 != unordered_pair(X11,X12) )
      & ( esk1_3(X16,X17,X18) != X16
        | ~ in(esk1_3(X16,X17,X18),X18)
        | X18 = unordered_pair(X16,X17) )
      & ( esk1_3(X16,X17,X18) != X17
        | ~ in(esk1_3(X16,X17,X18),X18)
        | X18 = unordered_pair(X16,X17) )
      & ( in(esk1_3(X16,X17,X18),X18)
        | esk1_3(X16,X17,X18) = X16
        | esk1_3(X16,X17,X18) = X17
        | X18 = unordered_pair(X16,X17) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(fof_nnf,[status(thm)],[d2_tarski])])])])])]) ).

cnf(c_0_14,plain,
    ( in(X3,X2)
    | ~ subset(X1,X2)
    | ~ in(X3,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_9]) ).

cnf(c_0_15,negated_conjecture,
    subset(set_union2(esk8_0,unordered_pair(esk6_0,esk7_0)),esk8_0),
    inference(rw,[status(thm)],[c_0_10,c_0_11]) ).

cnf(c_0_16,plain,
    ( in(X1,X3)
    | ~ in(X1,X2)
    | X3 != set_union2(X4,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

cnf(c_0_17,plain,
    ( in(X1,X3)
    | X1 != X2
    | X3 != unordered_pair(X4,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_13]) ).

fof(c_0_18,plain,
    ! [X7,X8] : unordered_pair(X7,X8) = unordered_pair(X8,X7),
    inference(variable_rename,[status(thm)],[commutativity_k2_tarski]) ).

cnf(c_0_19,negated_conjecture,
    ( in(X1,esk8_0)
    | ~ in(X1,set_union2(esk8_0,unordered_pair(esk6_0,esk7_0))) ),
    inference(spm,[status(thm)],[c_0_14,c_0_15]) ).

cnf(c_0_20,plain,
    ( in(X1,set_union2(X2,X3))
    | ~ in(X1,X3) ),
    inference(er,[status(thm)],[c_0_16]) ).

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

cnf(c_0_22,plain,
    unordered_pair(X1,X2) = unordered_pair(X2,X1),
    inference(split_conjunct,[status(thm)],[c_0_18]) ).

cnf(c_0_23,negated_conjecture,
    ( in(X1,esk8_0)
    | ~ in(X1,unordered_pair(esk6_0,esk7_0)) ),
    inference(spm,[status(thm)],[c_0_19,c_0_20]) ).

cnf(c_0_24,plain,
    in(X1,unordered_pair(X1,X2)),
    inference(spm,[status(thm)],[c_0_21,c_0_22]) ).

cnf(c_0_25,negated_conjecture,
    ~ in(esk6_0,esk8_0),
    inference(split_conjunct,[status(thm)],[c_0_7]) ).

cnf(c_0_26,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_23,c_0_24]),c_0_25]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem    : SET906+1 : TPTP v8.1.2. Released v3.2.0.
% 0.07/0.13  % Command    : java -jar /export/starexec/sandbox2/solver/bin/mcs_scs.jar %d %s
% 0.13/0.35  % Computer : n011.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit   : 300
% 0.13/0.35  % WCLimit    : 300
% 0.13/0.35  % DateTime   : Sat Aug 26 14:16:24 EDT 2023
% 0.13/0.35  % CPUTime  : 
% 0.21/0.57  start to proof: theBenchmark
% 0.21/0.59  % Version  : CSE_E---1.5
% 0.21/0.59  % Problem  : theBenchmark.p
% 0.21/0.59  % Proof found
% 0.21/0.59  % SZS status Theorem for theBenchmark.p
% 0.21/0.59  % SZS output start Proof
% See solution above
% 0.21/0.59  % Total time : 0.007000 s
% 0.21/0.59  % SZS output end Proof
% 0.21/0.59  % Total time : 0.010000 s
%------------------------------------------------------------------------------