TSTP Solution File: SET886+1 by CSE_E---1.5

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%------------------------------------------------------------------------------
% File     : CSE_E---1.5
% Problem  : SET886+1 : TPTP v8.1.2. Released v3.2.0.
% 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 14:36:08 EDT 2023

% Result   : Theorem 0.20s 0.57s
% Output   : CNFRefutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :   13
% Syntax   : Number of formulae    :   32 (  15 unt;   9 typ;   0 def)
%            Number of atoms       :   31 (  19 equ)
%            Maximal formula atoms :    2 (   1 avg)
%            Number of connectives :   17 (   9   ~;   4   |;   1   &)
%                                         (   0 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   3 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    6 (   4   >;   2   *;   0   +;   0  <<)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   5 con; 0-2 aty)
%            Number of variables   :   30 (   3 sgn;  18   !;   0   ?;   0   :)

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

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

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

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

tff(decl_26,type,
    esk1_0: $i ).

tff(decl_27,type,
    esk2_0: $i ).

tff(decl_28,type,
    esk3_0: $i ).

tff(decl_29,type,
    esk4_0: $i ).

tff(decl_30,type,
    esk5_0: $i ).

fof(t27_zfmisc_1,conjecture,
    ! [X1,X2,X3] :
      ( subset(unordered_pair(X1,X2),singleton(X3))
     => unordered_pair(X1,X2) = singleton(X3) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t27_zfmisc_1) ).

fof(t26_zfmisc_1,axiom,
    ! [X1,X2,X3] :
      ( subset(unordered_pair(X1,X2),singleton(X3))
     => X1 = X3 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t26_zfmisc_1) ).

fof(t69_enumset1,axiom,
    ! [X1] : unordered_pair(X1,X1) = singleton(X1),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t69_enumset1) ).

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

fof(c_0_4,negated_conjecture,
    ~ ! [X1,X2,X3] :
        ( subset(unordered_pair(X1,X2),singleton(X3))
       => unordered_pair(X1,X2) = singleton(X3) ),
    inference(assume_negation,[status(cth)],[t27_zfmisc_1]) ).

fof(c_0_5,plain,
    ! [X9,X10,X11] :
      ( ~ subset(unordered_pair(X9,X10),singleton(X11))
      | X9 = X11 ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[t26_zfmisc_1])]) ).

fof(c_0_6,plain,
    ! [X15] : unordered_pair(X15,X15) = singleton(X15),
    inference(variable_rename,[status(thm)],[t69_enumset1]) ).

fof(c_0_7,negated_conjecture,
    ( subset(unordered_pair(esk3_0,esk4_0),singleton(esk5_0))
    & unordered_pair(esk3_0,esk4_0) != singleton(esk5_0) ),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_4])])]) ).

cnf(c_0_8,plain,
    ( X1 = X3
    | ~ subset(unordered_pair(X1,X2),singleton(X3)) ),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_9,plain,
    unordered_pair(X1,X1) = singleton(X1),
    inference(split_conjunct,[status(thm)],[c_0_6]) ).

cnf(c_0_10,negated_conjecture,
    subset(unordered_pair(esk3_0,esk4_0),singleton(esk5_0)),
    inference(split_conjunct,[status(thm)],[c_0_7]) ).

fof(c_0_11,plain,
    ! [X4,X5] : unordered_pair(X4,X5) = unordered_pair(X5,X4),
    inference(variable_rename,[status(thm)],[commutativity_k2_tarski]) ).

cnf(c_0_12,plain,
    ( X1 = X3
    | ~ subset(unordered_pair(X1,X2),unordered_pair(X3,X3)) ),
    inference(rw,[status(thm)],[c_0_8,c_0_9]) ).

cnf(c_0_13,negated_conjecture,
    subset(unordered_pair(esk3_0,esk4_0),unordered_pair(esk5_0,esk5_0)),
    inference(rw,[status(thm)],[c_0_10,c_0_9]) ).

cnf(c_0_14,negated_conjecture,
    unordered_pair(esk3_0,esk4_0) != singleton(esk5_0),
    inference(split_conjunct,[status(thm)],[c_0_7]) ).

cnf(c_0_15,plain,
    unordered_pair(X1,X2) = unordered_pair(X2,X1),
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

cnf(c_0_16,negated_conjecture,
    esk3_0 = esk5_0,
    inference(spm,[status(thm)],[c_0_12,c_0_13]) ).

cnf(c_0_17,negated_conjecture,
    unordered_pair(esk5_0,esk5_0) != unordered_pair(esk3_0,esk4_0),
    inference(rw,[status(thm)],[c_0_14,c_0_9]) ).

cnf(c_0_18,plain,
    ( X1 = X2
    | ~ subset(unordered_pair(X3,X1),unordered_pair(X2,X2)) ),
    inference(spm,[status(thm)],[c_0_12,c_0_15]) ).

cnf(c_0_19,negated_conjecture,
    subset(unordered_pair(esk5_0,esk4_0),unordered_pair(esk5_0,esk5_0)),
    inference(spm,[status(thm)],[c_0_13,c_0_16]) ).

cnf(c_0_20,negated_conjecture,
    unordered_pair(esk5_0,esk4_0) != unordered_pair(esk5_0,esk5_0),
    inference(rw,[status(thm)],[c_0_17,c_0_16]) ).

cnf(c_0_21,negated_conjecture,
    esk4_0 = esk5_0,
    inference(spm,[status(thm)],[c_0_18,c_0_19]) ).

cnf(c_0_22,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_20,c_0_21])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.13  % Problem    : SET886+1 : TPTP v8.1.2. Released v3.2.0.
% 0.00/0.14  % Command    : java -jar /export/starexec/sandbox/solver/bin/mcs_scs.jar %d %s
% 0.13/0.35  % Computer : n021.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 16:13:57 EDT 2023
% 0.13/0.35  % CPUTime  : 
% 0.20/0.55  start to proof: theBenchmark
% 0.20/0.57  % Version  : CSE_E---1.5
% 0.20/0.57  % Problem  : theBenchmark.p
% 0.20/0.57  % Proof found
% 0.20/0.57  % SZS status Theorem for theBenchmark.p
% 0.20/0.57  % SZS output start Proof
% See solution above
% 0.20/0.57  % Total time : 0.005000 s
% 0.20/0.57  % SZS output end Proof
% 0.20/0.57  % Total time : 0.007000 s
%------------------------------------------------------------------------------