TSTP Solution File: SET912+1 by CSE_E---1.5

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%------------------------------------------------------------------------------
% File     : CSE_E---1.5
% Problem  : SET912+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 : n031.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 14:36:14 EDT 2023

% Result   : Theorem 0.21s 0.59s
% Output   : CNFRefutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :   14
% Syntax   : Number of formulae    :   29 (   9 unt;  10 typ;   0 def)
%            Number of atoms       :   39 (  12 equ)
%            Maximal formula atoms :    7 (   2 avg)
%            Number of connectives :   34 (  14   ~;   9   |;   7   &)
%                                         (   1 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    9 (   5   >;   4   *;   0   +;   0  <<)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   5 con; 0-2 aty)
%            Number of variables   :   29 (   0 sgn;  20   !;   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_intersection2: ( $i * $i ) > $i ).

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

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

tff(decl_27,type,
    esk1_0: $i ).

tff(decl_28,type,
    esk2_0: $i ).

tff(decl_29,type,
    esk3_0: $i ).

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

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

fof(t53_zfmisc_1,conjecture,
    ! [X1,X2,X3] :
      ( ( in(X1,X2)
        & in(X3,X2) )
     => set_intersection2(unordered_pair(X1,X3),X2) = unordered_pair(X1,X3) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t53_zfmisc_1) ).

fof(commutativity_k3_xboole_0,axiom,
    ! [X1,X2] : set_intersection2(X1,X2) = set_intersection2(X2,X1),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',commutativity_k3_xboole_0) ).

fof(t28_xboole_1,axiom,
    ! [X1,X2] :
      ( subset(X1,X2)
     => set_intersection2(X1,X2) = X1 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t28_xboole_1) ).

fof(t38_zfmisc_1,axiom,
    ! [X1,X2,X3] :
      ( subset(unordered_pair(X1,X2),X3)
    <=> ( in(X1,X3)
        & in(X2,X3) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t38_zfmisc_1) ).

fof(c_0_4,negated_conjecture,
    ~ ! [X1,X2,X3] :
        ( ( in(X1,X2)
          & in(X3,X2) )
       => set_intersection2(unordered_pair(X1,X3),X2) = unordered_pair(X1,X3) ),
    inference(assume_negation,[status(cth)],[t53_zfmisc_1]) ).

fof(c_0_5,negated_conjecture,
    ( in(esk3_0,esk4_0)
    & in(esk5_0,esk4_0)
    & set_intersection2(unordered_pair(esk3_0,esk5_0),esk4_0) != unordered_pair(esk3_0,esk5_0) ),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_4])])]) ).

fof(c_0_6,plain,
    ! [X8,X9] : set_intersection2(X8,X9) = set_intersection2(X9,X8),
    inference(variable_rename,[status(thm)],[commutativity_k3_xboole_0]) ).

fof(c_0_7,plain,
    ! [X14,X15] :
      ( ~ subset(X14,X15)
      | set_intersection2(X14,X15) = X14 ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[t28_xboole_1])]) ).

cnf(c_0_8,negated_conjecture,
    set_intersection2(unordered_pair(esk3_0,esk5_0),esk4_0) != unordered_pair(esk3_0,esk5_0),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_9,plain,
    set_intersection2(X1,X2) = set_intersection2(X2,X1),
    inference(split_conjunct,[status(thm)],[c_0_6]) ).

cnf(c_0_10,plain,
    ( set_intersection2(X1,X2) = X1
    | ~ subset(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_7]) ).

cnf(c_0_11,negated_conjecture,
    set_intersection2(esk4_0,unordered_pair(esk3_0,esk5_0)) != unordered_pair(esk3_0,esk5_0),
    inference(rw,[status(thm)],[c_0_8,c_0_9]) ).

cnf(c_0_12,plain,
    ( set_intersection2(X1,X2) = X2
    | ~ subset(X2,X1) ),
    inference(spm,[status(thm)],[c_0_10,c_0_9]) ).

fof(c_0_13,plain,
    ! [X16,X17,X18] :
      ( ( in(X16,X18)
        | ~ subset(unordered_pair(X16,X17),X18) )
      & ( in(X17,X18)
        | ~ subset(unordered_pair(X16,X17),X18) )
      & ( ~ in(X16,X18)
        | ~ in(X17,X18)
        | subset(unordered_pair(X16,X17),X18) ) ),
    inference(distribute,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[t38_zfmisc_1])])]) ).

cnf(c_0_14,negated_conjecture,
    ~ subset(unordered_pair(esk3_0,esk5_0),esk4_0),
    inference(spm,[status(thm)],[c_0_11,c_0_12]) ).

cnf(c_0_15,plain,
    ( subset(unordered_pair(X1,X3),X2)
    | ~ in(X1,X2)
    | ~ in(X3,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_13]) ).

cnf(c_0_16,negated_conjecture,
    in(esk5_0,esk4_0),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_17,negated_conjecture,
    in(esk3_0,esk4_0),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_18,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_14,c_0_15]),c_0_16]),c_0_17])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.13  % Problem    : SET912+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
% 0.14/0.35  % Computer : n031.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 11:13:23 EDT 2023
% 0.14/0.35  % 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 : 0.006000 s
% 0.21/0.59  % SZS output end Proof
% 0.21/0.59  % Total time : 0.008000 s
%------------------------------------------------------------------------------