TSTP Solution File: SET065+1 by CSE_E---1.5

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%------------------------------------------------------------------------------
% File     : CSE_E---1.5
% Problem  : SET065+1 : TPTP v8.1.2. Bugfixed v5.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -jar /export/starexec/sandbox/solver/bin/mcs_scs.jar %d %s

% Computer : n029.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 14:32:41 EDT 2023

% Result   : Theorem 0.21s 0.63s
% Output   : CNFRefutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :   43
% Syntax   : Number of formulae    :   56 (   9 unt;  38 typ;   0 def)
%            Number of atoms       :   44 (   0 equ)
%            Maximal formula atoms :    7 (   2 avg)
%            Number of connectives :   40 (  14   ~;  13   |;   9   &)
%                                         (   2 <=>;   2  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   3 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   47 (  31   >;  16   *;   0   +;   0  <<)
%            Number of predicates  :    6 (   5 usr;   1 prp; 0-2 aty)
%            Number of functors    :   33 (  33 usr;   7 con; 0-3 aty)
%            Number of variables   :   22 (   2 sgn;  14   !;   1   ?;   0   :)

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

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

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

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

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

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

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

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

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

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

tff(decl_32,type,
    intersection: ( $i * $i ) > $i ).

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

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

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

tff(decl_36,type,
    domain_of: $i > $i ).

tff(decl_37,type,
    rotate: $i > $i ).

tff(decl_38,type,
    flip: $i > $i ).

tff(decl_39,type,
    union: ( $i * $i ) > $i ).

tff(decl_40,type,
    successor: $i > $i ).

tff(decl_41,type,
    successor_relation: $i ).

tff(decl_42,type,
    inverse: $i > $i ).

tff(decl_43,type,
    range_of: $i > $i ).

tff(decl_44,type,
    image: ( $i * $i ) > $i ).

tff(decl_45,type,
    inductive: $i > $o ).

tff(decl_46,type,
    sum_class: $i > $i ).

tff(decl_47,type,
    power_class: $i > $i ).

tff(decl_48,type,
    compose: ( $i * $i ) > $i ).

tff(decl_49,type,
    identity_relation: $i ).

tff(decl_50,type,
    function: $i > $o ).

tff(decl_51,type,
    disjoint: ( $i * $i ) > $o ).

tff(decl_52,type,
    apply: ( $i * $i ) > $i ).

tff(decl_53,type,
    esk1_2: ( $i * $i ) > $i ).

tff(decl_54,type,
    esk2_0: $i ).

tff(decl_55,type,
    esk3_2: ( $i * $i ) > $i ).

tff(decl_56,type,
    esk4_1: $i > $i ).

tff(decl_57,type,
    esk5_2: ( $i * $i ) > $i ).

tff(decl_58,type,
    esk6_1: $i > $i ).

tff(decl_59,type,
    esk7_0: $i ).

fof(subclass_defn,axiom,
    ! [X1,X2] :
      ( subclass(X1,X2)
    <=> ! [X3] :
          ( member(X3,X1)
         => member(X3,X2) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET005+0.ax',subclass_defn) ).

fof(class_elements_are_sets,axiom,
    ! [X1] : subclass(X1,universal_class),
    file('/export/starexec/sandbox/benchmark/Axioms/SET005+0.ax',class_elements_are_sets) ).

fof(inductive_defn,axiom,
    ! [X1] :
      ( inductive(X1)
    <=> ( member(null_class,X1)
        & subclass(image(successor_relation,X1),X1) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET005+0.ax',inductive_defn) ).

fof(infinity,axiom,
    ? [X1] :
      ( member(X1,universal_class)
      & inductive(X1)
      & ! [X2] :
          ( inductive(X2)
         => subclass(X1,X2) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET005+0.ax',infinity) ).

fof(null_class_is_a_set,conjecture,
    member(null_class,universal_class),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',null_class_is_a_set) ).

fof(c_0_5,plain,
    ! [X10,X11,X12,X13,X14] :
      ( ( ~ subclass(X10,X11)
        | ~ member(X12,X10)
        | member(X12,X11) )
      & ( member(esk1_2(X13,X14),X13)
        | subclass(X13,X14) )
      & ( ~ member(esk1_2(X13,X14),X14)
        | subclass(X13,X14) ) ),
    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)],[subclass_defn])])])])])]) ).

fof(c_0_6,plain,
    ! [X16] : subclass(X16,universal_class),
    inference(variable_rename,[status(thm)],[class_elements_are_sets]) ).

fof(c_0_7,plain,
    ! [X69] :
      ( ( member(null_class,X69)
        | ~ inductive(X69) )
      & ( subclass(image(successor_relation,X69),X69)
        | ~ inductive(X69) )
      & ( ~ member(null_class,X69)
        | ~ subclass(image(successor_relation,X69),X69)
        | inductive(X69) ) ),
    inference(distribute,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[inductive_defn])])]) ).

fof(c_0_8,plain,
    ! [X71] :
      ( member(esk2_0,universal_class)
      & inductive(esk2_0)
      & ( ~ inductive(X71)
        | subclass(esk2_0,X71) ) ),
    inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[infinity])])])]) ).

cnf(c_0_9,plain,
    ( member(X3,X2)
    | ~ subclass(X1,X2)
    | ~ member(X3,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_10,plain,
    subclass(X1,universal_class),
    inference(split_conjunct,[status(thm)],[c_0_6]) ).

cnf(c_0_11,plain,
    ( member(null_class,X1)
    | ~ inductive(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_7]) ).

cnf(c_0_12,plain,
    inductive(esk2_0),
    inference(split_conjunct,[status(thm)],[c_0_8]) ).

fof(c_0_13,negated_conjecture,
    ~ member(null_class,universal_class),
    inference(fof_simplification,[status(thm)],[inference(assume_negation,[status(cth)],[null_class_is_a_set])]) ).

cnf(c_0_14,plain,
    ( member(X1,universal_class)
    | ~ member(X1,X2) ),
    inference(spm,[status(thm)],[c_0_9,c_0_10]) ).

cnf(c_0_15,plain,
    member(null_class,esk2_0),
    inference(spm,[status(thm)],[c_0_11,c_0_12]) ).

cnf(c_0_16,negated_conjecture,
    ~ member(null_class,universal_class),
    inference(split_conjunct,[status(thm)],[c_0_13]) ).

cnf(c_0_17,plain,
    $false,
    inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_14,c_0_15]),c_0_16]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.14  % Problem    : SET065+1 : TPTP v8.1.2. Bugfixed v5.4.0.
% 0.00/0.14  % Command    : java -jar /export/starexec/sandbox/solver/bin/mcs_scs.jar %d %s
% 0.14/0.36  % Computer : n029.cluster.edu
% 0.14/0.36  % Model    : x86_64 x86_64
% 0.14/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.36  % Memory   : 8042.1875MB
% 0.14/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.36  % CPULimit   : 300
% 0.14/0.36  % WCLimit    : 300
% 0.14/0.36  % DateTime   : Sat Aug 26 14:47:24 EDT 2023
% 0.14/0.36  % CPUTime  : 
% 0.21/0.59  start to proof: theBenchmark
% 0.21/0.63  % Version  : CSE_E---1.5
% 0.21/0.63  % Problem  : theBenchmark.p
% 0.21/0.63  % Proof found
% 0.21/0.63  % SZS status Theorem for theBenchmark.p
% 0.21/0.63  % SZS output start Proof
% See solution above
% 0.21/0.63  % Total time : 0.024000 s
% 0.21/0.63  % SZS output end Proof
% 0.21/0.63  % Total time : 0.028000 s
%------------------------------------------------------------------------------