TSTP Solution File: SET347+4 by CSE_E---1.5

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%------------------------------------------------------------------------------
% File     : CSE_E---1.5
% Problem  : SET347+4 : TPTP v8.1.2. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -jar /export/starexec/sandbox2/solver/bin/mcs_scs.jar %d %s

% Computer : n032.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 14:34:00 EDT 2023

% Result   : Theorem 0.15s 0.48s
% Output   : CNFRefutation 0.15s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :   20
% Syntax   : Number of formulae    :   36 (  10 unt;  15 typ;   0 def)
%            Number of atoms       :   51 (   0 equ)
%            Maximal formula atoms :    7 (   2 avg)
%            Number of connectives :   54 (  24   ~;  18   |;   8   &)
%                                         (   3 <=>;   1  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   24 (  14   >;  10   *;   0   +;   0  <<)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :   12 (  12 usr;   1 con; 0-2 aty)
%            Number of variables   :   31 (   2 sgn;  22   !;   1   ?;   0   :)

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

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

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

tff(decl_25,type,
    power_set: $i > $i ).

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

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

tff(decl_28,type,
    empty_set: $i ).

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

tff(decl_30,type,
    singleton: $i > $i ).

tff(decl_31,type,
    unordered_pair: ( $i * $i ) > $i ).

tff(decl_32,type,
    sum: $i > $i ).

tff(decl_33,type,
    product: $i > $i ).

tff(decl_34,type,
    esk1_2: ( $i * $i ) > $i ).

tff(decl_35,type,
    esk2_2: ( $i * $i ) > $i ).

tff(decl_36,type,
    esk3_2: ( $i * $i ) > $i ).

fof(thI38,conjecture,
    equal_set(sum(empty_set),empty_set),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',thI38) ).

fof(equal_set,axiom,
    ! [X1,X2] :
      ( equal_set(X1,X2)
    <=> ( subset(X1,X2)
        & subset(X2,X1) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET006+0.ax',equal_set) ).

fof(subset,axiom,
    ! [X1,X2] :
      ( subset(X1,X2)
    <=> ! [X3] :
          ( member(X3,X1)
         => member(X3,X2) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET006+0.ax',subset) ).

fof(empty_set,axiom,
    ! [X3] : ~ member(X3,empty_set),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET006+0.ax',empty_set) ).

fof(sum,axiom,
    ! [X3,X1] :
      ( member(X3,sum(X1))
    <=> ? [X5] :
          ( member(X5,X1)
          & member(X3,X5) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET006+0.ax',sum) ).

fof(c_0_5,negated_conjecture,
    ~ equal_set(sum(empty_set),empty_set),
    inference(fof_simplification,[status(thm)],[inference(assume_negation,[status(cth)],[thI38])]) ).

fof(c_0_6,plain,
    ! [X12,X13] :
      ( ( subset(X12,X13)
        | ~ equal_set(X12,X13) )
      & ( subset(X13,X12)
        | ~ equal_set(X12,X13) )
      & ( ~ subset(X12,X13)
        | ~ subset(X13,X12)
        | equal_set(X12,X13) ) ),
    inference(distribute,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[equal_set])])]) ).

cnf(c_0_7,negated_conjecture,
    ~ equal_set(sum(empty_set),empty_set),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_8,plain,
    ( equal_set(X1,X2)
    | ~ subset(X1,X2)
    | ~ subset(X2,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_6]) ).

fof(c_0_9,plain,
    ! [X6,X7,X8,X9,X10] :
      ( ( ~ subset(X6,X7)
        | ~ member(X8,X6)
        | member(X8,X7) )
      & ( member(esk1_2(X9,X10),X9)
        | subset(X9,X10) )
      & ( ~ member(esk1_2(X9,X10),X10)
        | subset(X9,X10) ) ),
    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)],[subset])])])])])]) ).

fof(c_0_10,plain,
    ! [X3] : ~ member(X3,empty_set),
    inference(fof_simplification,[status(thm)],[empty_set]) ).

cnf(c_0_11,negated_conjecture,
    ( ~ subset(empty_set,sum(empty_set))
    | ~ subset(sum(empty_set),empty_set) ),
    inference(spm,[status(thm)],[c_0_7,c_0_8]) ).

cnf(c_0_12,plain,
    ( member(esk1_2(X1,X2),X1)
    | subset(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_9]) ).

fof(c_0_13,plain,
    ! [X22] : ~ member(X22,empty_set),
    inference(variable_rename,[status(thm)],[c_0_10]) ).

fof(c_0_14,plain,
    ! [X31,X32,X34,X35,X36] :
      ( ( member(esk2_2(X31,X32),X32)
        | ~ member(X31,sum(X32)) )
      & ( member(X31,esk2_2(X31,X32))
        | ~ member(X31,sum(X32)) )
      & ( ~ member(X36,X35)
        | ~ member(X34,X36)
        | member(X34,sum(X35)) ) ),
    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)],[sum])])])])])]) ).

cnf(c_0_15,negated_conjecture,
    ( member(esk1_2(sum(empty_set),empty_set),sum(empty_set))
    | ~ subset(empty_set,sum(empty_set)) ),
    inference(spm,[status(thm)],[c_0_11,c_0_12]) ).

cnf(c_0_16,plain,
    ~ member(X1,empty_set),
    inference(split_conjunct,[status(thm)],[c_0_13]) ).

cnf(c_0_17,plain,
    ( member(esk2_2(X1,X2),X2)
    | ~ member(X1,sum(X2)) ),
    inference(split_conjunct,[status(thm)],[c_0_14]) ).

cnf(c_0_18,negated_conjecture,
    member(esk1_2(sum(empty_set),empty_set),sum(empty_set)),
    inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_15,c_0_12]),c_0_16]) ).

cnf(c_0_19,plain,
    ~ member(X1,sum(empty_set)),
    inference(spm,[status(thm)],[c_0_16,c_0_17]) ).

cnf(c_0_20,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[c_0_18,c_0_19]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.10  % Problem    : SET347+4 : TPTP v8.1.2. Released v2.2.0.
% 0.00/0.10  % Command    : java -jar /export/starexec/sandbox2/solver/bin/mcs_scs.jar %d %s
% 0.13/0.30  % Computer : n032.cluster.edu
% 0.13/0.30  % Model    : x86_64 x86_64
% 0.13/0.30  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.30  % Memory   : 8042.1875MB
% 0.13/0.30  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.30  % CPULimit   : 300
% 0.13/0.30  % WCLimit    : 300
% 0.13/0.30  % DateTime   : Sat Aug 26 15:10:14 EDT 2023
% 0.13/0.30  % CPUTime  : 
% 0.15/0.47  start to proof: theBenchmark
% 0.15/0.48  % Version  : CSE_E---1.5
% 0.15/0.48  % Problem  : theBenchmark.p
% 0.15/0.48  % Proof found
% 0.15/0.48  % SZS status Theorem for theBenchmark.p
% 0.15/0.48  % SZS output start Proof
% See solution above
% 0.15/0.49  % Total time : 0.007000 s
% 0.15/0.49  % SZS output end Proof
% 0.15/0.49  % Total time : 0.009000 s
%------------------------------------------------------------------------------