TSTP Solution File: SET656+3 by CSE_E---1.5

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : CSE_E---1.5
% Problem  : SET656+3 : TPTP v8.1.2. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -jar /export/starexec/sandbox/solver/bin/mcs_scs.jar %d %s

% Computer : n004.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 14:35:04 EDT 2023

% Result   : Theorem 1.15s 1.23s
% Output   : CNFRefutation 1.15s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :   42
% Syntax   : Number of formulae    :   80 (   8 unt;  33 typ;   0 def)
%            Number of atoms       :  194 (   8 equ)
%            Maximal formula atoms :   18 (   4 avg)
%            Number of connectives :  243 (  96   ~;  95   |;  18   &)
%                                         (   5 <=>;  29  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   49 (  27   >;  22   *;   0   +;   0  <<)
%            Number of predicates  :    7 (   5 usr;   1 prp; 0-2 aty)
%            Number of functors    :   28 (  28 usr;   6 con; 0-4 aty)
%            Number of variables   :   92 (   2 sgn;  45   !;   0   ?;   0   :)

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

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

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

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

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

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

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

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

tff(decl_30,type,
    relation_type: ( $i * $i ) > $i ).

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

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

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

tff(decl_34,type,
    member_type: $i > $i ).

tff(decl_35,type,
    empty: $i > $o ).

tff(decl_36,type,
    intersection4: ( $i * $i * $i * $i ) > $i ).

tff(decl_37,type,
    esk1_3: ( $i * $i * $i ) > $i ).

tff(decl_38,type,
    esk2_3: ( $i * $i * $i ) > $i ).

tff(decl_39,type,
    esk3_2: ( $i * $i ) > $i ).

tff(decl_40,type,
    esk4_2: ( $i * $i ) > $i ).

tff(decl_41,type,
    esk5_2: ( $i * $i ) > $i ).

tff(decl_42,type,
    esk6_0: $i ).

tff(decl_43,type,
    esk7_1: $i > $i ).

tff(decl_44,type,
    esk8_2: ( $i * $i ) > $i ).

tff(decl_45,type,
    esk9_2: ( $i * $i ) > $i ).

tff(decl_46,type,
    esk10_1: $i > $i ).

tff(decl_47,type,
    esk11_2: ( $i * $i ) > $i ).

tff(decl_48,type,
    esk12_2: ( $i * $i ) > $i ).

tff(decl_49,type,
    esk13_2: ( $i * $i ) > $i ).

tff(decl_50,type,
    esk14_1: $i > $i ).

tff(decl_51,type,
    esk15_1: $i > $i ).

tff(decl_52,type,
    esk16_0: $i ).

tff(decl_53,type,
    esk17_0: $i ).

tff(decl_54,type,
    esk18_0: $i ).

fof(p21,axiom,
    ! [X1] :
      ( ilf_type(X1,set_type)
     => ! [X2] :
          ( ( ~ empty(X2)
            & ilf_type(X2,set_type) )
         => ( ilf_type(X1,member_type(X2))
          <=> member(X1,X2) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',p21) ).

fof(p20,axiom,
    ! [X1] :
      ( ilf_type(X1,set_type)
     => ( ~ empty(power_set(X1))
        & ilf_type(power_set(X1),set_type) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',p20) ).

fof(p19,axiom,
    ! [X1] :
      ( ilf_type(X1,set_type)
     => ! [X2] :
          ( ilf_type(X2,set_type)
         => ( member(X1,power_set(X2))
          <=> ! [X3] :
                ( ilf_type(X3,set_type)
               => ( member(X3,X1)
                 => member(X3,X2) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',p19) ).

fof(p30,axiom,
    ! [X1] : ilf_type(X1,set_type),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',p30) ).

fof(p13,axiom,
    ! [X1] :
      ( ilf_type(X1,set_type)
     => ! [X2] :
          ( ilf_type(X2,set_type)
         => ( ilf_type(X2,subset_type(X1))
          <=> ilf_type(X2,member_type(power_set(X1))) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',p13) ).

fof(p6,axiom,
    ! [X1] :
      ( ilf_type(X1,set_type)
     => ! [X2] :
          ( ilf_type(X2,set_type)
         => ( ! [X3] :
                ( ilf_type(X3,subset_type(cross_product(X1,X2)))
               => ilf_type(X3,relation_type(X1,X2)) )
            & ! [X4] :
                ( ilf_type(X4,relation_type(X1,X2))
               => ilf_type(X4,subset_type(cross_product(X1,X2))) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',p6) ).

fof(prove_relset_1_18,conjecture,
    ! [X1] :
      ( ilf_type(X1,set_type)
     => ! [X2] :
          ( ilf_type(X2,set_type)
         => ! [X3] :
              ( ilf_type(X3,relation_type(X1,X2))
             => intersection(X3,cross_product(X1,X2)) = X3 ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_relset_1_18) ).

fof(p17,axiom,
    ! [X1] :
      ( ilf_type(X1,set_type)
     => ! [X2] :
          ( ilf_type(X2,set_type)
         => ( subset(X1,X2)
          <=> ! [X3] :
                ( ilf_type(X3,set_type)
               => ( member(X3,X1)
                 => member(X3,X2) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',p17) ).

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

fof(c_0_9,plain,
    ! [X1] :
      ( ilf_type(X1,set_type)
     => ! [X2] :
          ( ( ~ empty(X2)
            & ilf_type(X2,set_type) )
         => ( ilf_type(X1,member_type(X2))
          <=> member(X1,X2) ) ) ),
    inference(fof_simplification,[status(thm)],[p21]) ).

fof(c_0_10,plain,
    ! [X1] :
      ( ilf_type(X1,set_type)
     => ( ~ empty(power_set(X1))
        & ilf_type(power_set(X1),set_type) ) ),
    inference(fof_simplification,[status(thm)],[p20]) ).

fof(c_0_11,plain,
    ! [X53,X54,X55] :
      ( ( ~ member(X53,power_set(X54))
        | ~ ilf_type(X55,set_type)
        | ~ member(X55,X53)
        | member(X55,X54)
        | ~ ilf_type(X54,set_type)
        | ~ ilf_type(X53,set_type) )
      & ( ilf_type(esk9_2(X53,X54),set_type)
        | member(X53,power_set(X54))
        | ~ ilf_type(X54,set_type)
        | ~ ilf_type(X53,set_type) )
      & ( member(esk9_2(X53,X54),X53)
        | member(X53,power_set(X54))
        | ~ ilf_type(X54,set_type)
        | ~ ilf_type(X53,set_type) )
      & ( ~ member(esk9_2(X53,X54),X54)
        | member(X53,power_set(X54))
        | ~ ilf_type(X54,set_type)
        | ~ ilf_type(X53,set_type) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[p19])])])])]) ).

fof(c_0_12,plain,
    ! [X88] : ilf_type(X88,set_type),
    inference(variable_rename,[status(thm)],[p30]) ).

fof(c_0_13,plain,
    ! [X58,X59] :
      ( ( ~ ilf_type(X58,member_type(X59))
        | member(X58,X59)
        | empty(X59)
        | ~ ilf_type(X59,set_type)
        | ~ ilf_type(X58,set_type) )
      & ( ~ member(X58,X59)
        | ilf_type(X58,member_type(X59))
        | empty(X59)
        | ~ ilf_type(X59,set_type)
        | ~ ilf_type(X58,set_type) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_9])])])]) ).

fof(c_0_14,plain,
    ! [X57] :
      ( ( ~ empty(power_set(X57))
        | ~ ilf_type(X57,set_type) )
      & ( ilf_type(power_set(X57),set_type)
        | ~ ilf_type(X57,set_type) ) ),
    inference(distribute,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_10])])]) ).

cnf(c_0_15,plain,
    ( member(X3,X2)
    | ~ member(X1,power_set(X2))
    | ~ ilf_type(X3,set_type)
    | ~ member(X3,X1)
    | ~ ilf_type(X2,set_type)
    | ~ ilf_type(X1,set_type) ),
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

cnf(c_0_16,plain,
    ilf_type(X1,set_type),
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

cnf(c_0_17,plain,
    ( member(X1,X2)
    | empty(X2)
    | ~ ilf_type(X1,member_type(X2))
    | ~ ilf_type(X2,set_type)
    | ~ ilf_type(X1,set_type) ),
    inference(split_conjunct,[status(thm)],[c_0_13]) ).

cnf(c_0_18,plain,
    ( ~ empty(power_set(X1))
    | ~ ilf_type(X1,set_type) ),
    inference(split_conjunct,[status(thm)],[c_0_14]) ).

fof(c_0_19,plain,
    ! [X41,X42] :
      ( ( ~ ilf_type(X42,subset_type(X41))
        | ilf_type(X42,member_type(power_set(X41)))
        | ~ ilf_type(X42,set_type)
        | ~ ilf_type(X41,set_type) )
      & ( ~ ilf_type(X42,member_type(power_set(X41)))
        | ilf_type(X42,subset_type(X41))
        | ~ ilf_type(X42,set_type)
        | ~ ilf_type(X41,set_type) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[p13])])])]) ).

cnf(c_0_20,plain,
    ( member(X1,X2)
    | ~ member(X3,power_set(X2))
    | ~ member(X1,X3) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_15,c_0_16]),c_0_16]),c_0_16])]) ).

cnf(c_0_21,plain,
    ( empty(X1)
    | member(X2,X1)
    | ~ ilf_type(X2,member_type(X1)) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_17,c_0_16]),c_0_16])]) ).

cnf(c_0_22,plain,
    ~ empty(power_set(X1)),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_18,c_0_16])]) ).

cnf(c_0_23,plain,
    ( ilf_type(X1,member_type(power_set(X2)))
    | ~ ilf_type(X1,subset_type(X2))
    | ~ ilf_type(X1,set_type)
    | ~ ilf_type(X2,set_type) ),
    inference(split_conjunct,[status(thm)],[c_0_19]) ).

fof(c_0_24,plain,
    ! [X22,X23,X24,X25] :
      ( ( ~ ilf_type(X24,subset_type(cross_product(X22,X23)))
        | ilf_type(X24,relation_type(X22,X23))
        | ~ ilf_type(X23,set_type)
        | ~ ilf_type(X22,set_type) )
      & ( ~ ilf_type(X25,relation_type(X22,X23))
        | ilf_type(X25,subset_type(cross_product(X22,X23)))
        | ~ ilf_type(X23,set_type)
        | ~ ilf_type(X22,set_type) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[p6])])])]) ).

cnf(c_0_25,plain,
    ( member(X1,X2)
    | ~ member(X1,X3)
    | ~ ilf_type(X3,member_type(power_set(X2))) ),
    inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_20,c_0_21]),c_0_22]) ).

cnf(c_0_26,plain,
    ( ilf_type(X1,member_type(power_set(X2)))
    | ~ ilf_type(X1,subset_type(X2)) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_23,c_0_16]),c_0_16])]) ).

cnf(c_0_27,plain,
    ( ilf_type(X1,subset_type(cross_product(X2,X3)))
    | ~ ilf_type(X1,relation_type(X2,X3))
    | ~ ilf_type(X3,set_type)
    | ~ ilf_type(X2,set_type) ),
    inference(split_conjunct,[status(thm)],[c_0_24]) ).

fof(c_0_28,negated_conjecture,
    ~ ! [X1] :
        ( ilf_type(X1,set_type)
       => ! [X2] :
            ( ilf_type(X2,set_type)
           => ! [X3] :
                ( ilf_type(X3,relation_type(X1,X2))
               => intersection(X3,cross_product(X1,X2)) = X3 ) ) ),
    inference(assume_negation,[status(cth)],[prove_relset_1_18]) ).

fof(c_0_29,plain,
    ! [X48,X49,X50] :
      ( ( ~ subset(X48,X49)
        | ~ ilf_type(X50,set_type)
        | ~ member(X50,X48)
        | member(X50,X49)
        | ~ ilf_type(X49,set_type)
        | ~ ilf_type(X48,set_type) )
      & ( ilf_type(esk8_2(X48,X49),set_type)
        | subset(X48,X49)
        | ~ ilf_type(X49,set_type)
        | ~ ilf_type(X48,set_type) )
      & ( member(esk8_2(X48,X49),X48)
        | subset(X48,X49)
        | ~ ilf_type(X49,set_type)
        | ~ ilf_type(X48,set_type) )
      & ( ~ member(esk8_2(X48,X49),X49)
        | subset(X48,X49)
        | ~ ilf_type(X49,set_type)
        | ~ ilf_type(X48,set_type) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[p17])])])])]) ).

cnf(c_0_30,plain,
    ( member(X1,X2)
    | ~ member(X1,X3)
    | ~ ilf_type(X3,subset_type(X2)) ),
    inference(spm,[status(thm)],[c_0_25,c_0_26]) ).

cnf(c_0_31,plain,
    ( ilf_type(X1,subset_type(cross_product(X2,X3)))
    | ~ ilf_type(X1,relation_type(X2,X3)) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_27,c_0_16]),c_0_16])]) ).

fof(c_0_32,negated_conjecture,
    ( ilf_type(esk16_0,set_type)
    & ilf_type(esk17_0,set_type)
    & ilf_type(esk18_0,relation_type(esk16_0,esk17_0))
    & intersection(esk18_0,cross_product(esk16_0,esk17_0)) != esk18_0 ),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_28])])]) ).

fof(c_0_33,plain,
    ! [X6,X7] :
      ( ~ ilf_type(X6,set_type)
      | ~ ilf_type(X7,set_type)
      | ~ subset(X6,X7)
      | intersection(X6,X7) = X6 ),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[p1])])]) ).

cnf(c_0_34,plain,
    ( subset(X1,X2)
    | ~ member(esk8_2(X1,X2),X2)
    | ~ ilf_type(X2,set_type)
    | ~ ilf_type(X1,set_type) ),
    inference(split_conjunct,[status(thm)],[c_0_29]) ).

cnf(c_0_35,plain,
    ( member(X1,cross_product(X2,X3))
    | ~ member(X1,X4)
    | ~ ilf_type(X4,relation_type(X2,X3)) ),
    inference(spm,[status(thm)],[c_0_30,c_0_31]) ).

cnf(c_0_36,negated_conjecture,
    ilf_type(esk18_0,relation_type(esk16_0,esk17_0)),
    inference(split_conjunct,[status(thm)],[c_0_32]) ).

cnf(c_0_37,plain,
    ( intersection(X1,X2) = X1
    | ~ ilf_type(X1,set_type)
    | ~ ilf_type(X2,set_type)
    | ~ subset(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_33]) ).

cnf(c_0_38,plain,
    ( subset(X1,X2)
    | ~ member(esk8_2(X1,X2),X2) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_34,c_0_16]),c_0_16])]) ).

cnf(c_0_39,negated_conjecture,
    ( member(X1,cross_product(esk16_0,esk17_0))
    | ~ member(X1,esk18_0) ),
    inference(spm,[status(thm)],[c_0_35,c_0_36]) ).

cnf(c_0_40,plain,
    ( member(esk8_2(X1,X2),X1)
    | subset(X1,X2)
    | ~ ilf_type(X2,set_type)
    | ~ ilf_type(X1,set_type) ),
    inference(split_conjunct,[status(thm)],[c_0_29]) ).

cnf(c_0_41,negated_conjecture,
    intersection(esk18_0,cross_product(esk16_0,esk17_0)) != esk18_0,
    inference(split_conjunct,[status(thm)],[c_0_32]) ).

cnf(c_0_42,plain,
    ( intersection(X1,X2) = X1
    | ~ subset(X1,X2) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_37,c_0_16]),c_0_16])]) ).

cnf(c_0_43,negated_conjecture,
    ( subset(X1,cross_product(esk16_0,esk17_0))
    | ~ member(esk8_2(X1,cross_product(esk16_0,esk17_0)),esk18_0) ),
    inference(spm,[status(thm)],[c_0_38,c_0_39]) ).

cnf(c_0_44,plain,
    ( member(esk8_2(X1,X2),X1)
    | subset(X1,X2) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_40,c_0_16]),c_0_16])]) ).

cnf(c_0_45,negated_conjecture,
    ~ subset(esk18_0,cross_product(esk16_0,esk17_0)),
    inference(spm,[status(thm)],[c_0_41,c_0_42]) ).

cnf(c_0_46,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_43,c_0_44]),c_0_45]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem    : SET656+3 : TPTP v8.1.2. Released v2.2.0.
% 0.00/0.13  % Command    : java -jar /export/starexec/sandbox/solver/bin/mcs_scs.jar %d %s
% 0.13/0.34  % Computer : n004.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit   : 300
% 0.13/0.34  % WCLimit    : 300
% 0.13/0.34  % DateTime   : Sat Aug 26 13:43:07 EDT 2023
% 0.13/0.35  % CPUTime  : 
% 0.19/0.57  start to proof: theBenchmark
% 1.15/1.23  % Version  : CSE_E---1.5
% 1.15/1.23  % Problem  : theBenchmark.p
% 1.15/1.23  % Proof found
% 1.15/1.23  % SZS status Theorem for theBenchmark.p
% 1.15/1.23  % SZS output start Proof
% See solution above
% 1.15/1.24  % Total time : 0.655000 s
% 1.15/1.24  % SZS output end Proof
% 1.15/1.24  % Total time : 0.658000 s
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