TSTP Solution File: SET676+3 by CSE_E---1.5

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%------------------------------------------------------------------------------
% File     : CSE_E---1.5
% Problem  : SET676+3 : 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 : n007.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 14:35:10 EDT 2023

% Result   : Theorem 0.21s 0.60s
% Output   : CNFRefutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :   28
% Syntax   : Number of formulae    :   40 (   6 unt;  24 typ;   0 def)
%            Number of atoms       :   39 (   0 equ)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives :   40 (  17   ~;  14   |;   2   &)
%                                         (   1 <=>;   6  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   35 (  22   >;  13   *;   0   +;   0  <<)
%            Number of predicates  :    5 (   4 usr;   1 prp; 0-2 aty)
%            Number of functors    :   20 (  20 usr;   2 con; 0-3 aty)
%            Number of variables   :   21 (   1 sgn;  12   !;   0   ?;   0   :)

% Comments : 
%------------------------------------------------------------------------------
tff(decl_22,type,
    set_type: $i ).

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

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

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

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

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

tff(decl_28,type,
    identity_relation_of_type: $i > $i ).

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

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

tff(decl_31,type,
    member_type: $i > $i ).

tff(decl_32,type,
    empty: $i > $o ).

tff(decl_33,type,
    relation_like: $i > $o ).

tff(decl_34,type,
    esk1_3: ( $i * $i * $i ) > $i ).

tff(decl_35,type,
    esk2_3: ( $i * $i * $i ) > $i ).

tff(decl_36,type,
    esk3_1: $i > $i ).

tff(decl_37,type,
    esk4_2: ( $i * $i ) > $i ).

tff(decl_38,type,
    esk5_1: $i > $i ).

tff(decl_39,type,
    esk6_2: ( $i * $i ) > $i ).

tff(decl_40,type,
    esk7_1: $i > $i ).

tff(decl_41,type,
    esk8_1: $i > $i ).

tff(decl_42,type,
    esk9_2: ( $i * $i ) > $i ).

tff(decl_43,type,
    esk10_2: ( $i * $i ) > $i ).

tff(decl_44,type,
    esk11_1: $i > $i ).

tff(decl_45,type,
    esk12_0: $i ).

fof(prove_relset_1_41,conjecture,
    ! [X1] :
      ( ilf_type(X1,set_type)
     => ilf_type(cross_product(X1,X1),identity_relation_of_type(X1)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_relset_1_41) ).

fof(p4,axiom,
    ! [X1] :
      ( ilf_type(X1,set_type)
     => ! [X2] :
          ( ilf_type(X2,set_type)
         => ( ilf_type(X2,identity_relation_of_type(X1))
          <=> ilf_type(X2,relation_type(X1,X1)) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p4) ).

fof(p19,axiom,
    ! [X1] : ilf_type(X1,set_type),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p19) ).

fof(p1,axiom,
    ! [X1] :
      ( ilf_type(X1,set_type)
     => ! [X2] :
          ( ilf_type(X2,set_type)
         => ilf_type(cross_product(X1,X2),relation_type(X1,X2)) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p1) ).

fof(c_0_4,negated_conjecture,
    ~ ! [X1] :
        ( ilf_type(X1,set_type)
       => ilf_type(cross_product(X1,X1),identity_relation_of_type(X1)) ),
    inference(assume_negation,[status(cth)],[prove_relset_1_41]) ).

fof(c_0_5,plain,
    ! [X17,X18] :
      ( ( ~ ilf_type(X18,identity_relation_of_type(X17))
        | ilf_type(X18,relation_type(X17,X17))
        | ~ ilf_type(X18,set_type)
        | ~ ilf_type(X17,set_type) )
      & ( ~ ilf_type(X18,relation_type(X17,X17))
        | ilf_type(X18,identity_relation_of_type(X17))
        | ~ ilf_type(X18,set_type)
        | ~ ilf_type(X17,set_type) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[p4])])])]) ).

fof(c_0_6,plain,
    ! [X57] : ilf_type(X57,set_type),
    inference(variable_rename,[status(thm)],[p19]) ).

fof(c_0_7,plain,
    ! [X6,X7] :
      ( ~ ilf_type(X6,set_type)
      | ~ ilf_type(X7,set_type)
      | ilf_type(cross_product(X6,X7),relation_type(X6,X7)) ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[p1])])]) ).

fof(c_0_8,negated_conjecture,
    ( ilf_type(esk12_0,set_type)
    & ~ ilf_type(cross_product(esk12_0,esk12_0),identity_relation_of_type(esk12_0)) ),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_4])])]) ).

cnf(c_0_9,plain,
    ( ilf_type(X1,identity_relation_of_type(X2))
    | ~ ilf_type(X1,relation_type(X2,X2))
    | ~ ilf_type(X1,set_type)
    | ~ ilf_type(X2,set_type) ),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_10,plain,
    ilf_type(X1,set_type),
    inference(split_conjunct,[status(thm)],[c_0_6]) ).

cnf(c_0_11,plain,
    ( ilf_type(cross_product(X1,X2),relation_type(X1,X2))
    | ~ ilf_type(X1,set_type)
    | ~ ilf_type(X2,set_type) ),
    inference(split_conjunct,[status(thm)],[c_0_7]) ).

cnf(c_0_12,negated_conjecture,
    ~ ilf_type(cross_product(esk12_0,esk12_0),identity_relation_of_type(esk12_0)),
    inference(split_conjunct,[status(thm)],[c_0_8]) ).

cnf(c_0_13,plain,
    ( ilf_type(X1,identity_relation_of_type(X2))
    | ~ ilf_type(X1,relation_type(X2,X2)) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_9,c_0_10]),c_0_10])]) ).

cnf(c_0_14,plain,
    ilf_type(cross_product(X1,X2),relation_type(X1,X2)),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_11,c_0_10]),c_0_10])]) ).

cnf(c_0_15,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_12,c_0_13]),c_0_14])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem    : SET676+3 : TPTP v8.1.2. Released v2.2.0.
% 0.07/0.14  % Command    : java -jar /export/starexec/sandbox2/solver/bin/mcs_scs.jar %d %s
% 0.13/0.35  % Computer : n007.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 12:02:27 EDT 2023
% 0.13/0.35  % CPUTime  : 
% 0.21/0.58  start to proof: theBenchmark
% 0.21/0.60  % Version  : CSE_E---1.5
% 0.21/0.60  % Problem  : theBenchmark.p
% 0.21/0.60  % Proof found
% 0.21/0.60  % SZS status Theorem for theBenchmark.p
% 0.21/0.60  % SZS output start Proof
% See solution above
% 0.21/0.61  % Total time : 0.011000 s
% 0.21/0.61  % SZS output end Proof
% 0.21/0.61  % Total time : 0.014000 s
%------------------------------------------------------------------------------