TSTP Solution File: SET636+3 by CSE_E---1.5

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%------------------------------------------------------------------------------
% File     : CSE_E---1.5
% Problem  : SET636+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 : n026.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 14:34:59 EDT 2023

% Result   : Theorem 0.21s 0.66s
% Output   : CNFRefutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :   20
% Syntax   : Number of formulae    :   61 (   8 unt;  13 typ;   0 def)
%            Number of atoms       :  122 (  18 equ)
%            Maximal formula atoms :   12 (   2 avg)
%            Number of connectives :  128 (  54   ~;  52   |;  12   &)
%                                         (  10 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   13 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   18 (  10   >;   8   *;   0   +;   0  <<)
%            Number of predicates  :    7 (   5 usr;   1 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   3 con; 0-2 aty)
%            Number of variables   :   87 (   4 sgn;  42   !;   1   ?;   0   :)

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

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

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

tff(decl_25,type,
    empty_set: $i ).

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

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

tff(decl_28,type,
    empty: $i > $o ).

tff(decl_29,type,
    esk1_2: ( $i * $i ) > $i ).

tff(decl_30,type,
    esk2_2: ( $i * $i ) > $i ).

tff(decl_31,type,
    esk3_1: $i > $i ).

tff(decl_32,type,
    esk4_2: ( $i * $i ) > $i ).

tff(decl_33,type,
    esk5_0: $i ).

tff(decl_34,type,
    esk6_0: $i ).

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

fof(empty_set_defn,axiom,
    ! [X1] : ~ member(X1,empty_set),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',empty_set_defn) ).

fof(intersection_defn,axiom,
    ! [X1,X2,X3] :
      ( member(X3,intersection(X1,X2))
    <=> ( member(X3,X1)
        & member(X3,X2) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',intersection_defn) ).

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

fof(intersect_defn,axiom,
    ! [X1,X2] :
      ( intersect(X1,X2)
    <=> ? [X3] :
          ( member(X3,X1)
          & member(X3,X2) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',intersect_defn) ).

fof(disjoint_defn,axiom,
    ! [X1,X2] :
      ( disjoint(X1,X2)
    <=> ~ intersect(X1,X2) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',disjoint_defn) ).

fof(prove_th118,conjecture,
    ! [X1,X2] :
      ( disjoint(X1,X2)
    <=> intersection(X1,X2) = empty_set ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_th118) ).

fof(c_0_7,plain,
    ! [X1] :
      ( empty(X1)
    <=> ! [X2] : ~ member(X2,X1) ),
    inference(fof_simplification,[status(thm)],[empty_defn]) ).

fof(c_0_8,plain,
    ! [X1] : ~ member(X1,empty_set),
    inference(fof_simplification,[status(thm)],[empty_set_defn]) ).

fof(c_0_9,plain,
    ! [X4,X5,X6] :
      ( ( member(X6,X4)
        | ~ member(X6,intersection(X4,X5)) )
      & ( member(X6,X5)
        | ~ member(X6,intersection(X4,X5)) )
      & ( ~ member(X6,X4)
        | ~ member(X6,X5)
        | member(X6,intersection(X4,X5)) ) ),
    inference(distribute,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[intersection_defn])])]) ).

fof(c_0_10,plain,
    ! [X29,X30,X31] :
      ( ( ~ empty(X29)
        | ~ member(X30,X29) )
      & ( member(esk3_1(X31),X31)
        | empty(X31) ) ),
    inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_7])])])])]) ).

fof(c_0_11,plain,
    ! [X13] : ~ member(X13,empty_set),
    inference(variable_rename,[status(thm)],[c_0_8]) ).

fof(c_0_12,plain,
    ! [X33,X34,X35,X36,X37,X38] :
      ( ( ~ member(X35,X33)
        | member(X35,X34)
        | X33 != X34 )
      & ( ~ member(X36,X34)
        | member(X36,X33)
        | X33 != X34 )
      & ( ~ member(esk4_2(X37,X38),X37)
        | ~ member(esk4_2(X37,X38),X38)
        | X37 = X38 )
      & ( member(esk4_2(X37,X38),X37)
        | member(esk4_2(X37,X38),X38)
        | X37 = X38 ) ),
    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)],[equal_member_defn])])])])])]) ).

fof(c_0_13,plain,
    ! [X7,X8,X10,X11,X12] :
      ( ( member(esk1_2(X7,X8),X7)
        | ~ intersect(X7,X8) )
      & ( member(esk1_2(X7,X8),X8)
        | ~ intersect(X7,X8) )
      & ( ~ member(X12,X10)
        | ~ member(X12,X11)
        | intersect(X10,X11) ) ),
    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)],[intersect_defn])])])])])]) ).

cnf(c_0_14,plain,
    ( member(X1,X2)
    | ~ member(X1,intersection(X3,X2)) ),
    inference(split_conjunct,[status(thm)],[c_0_9]) ).

cnf(c_0_15,plain,
    ( member(esk3_1(X1),X1)
    | empty(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_10]) ).

fof(c_0_16,plain,
    ! [X1,X2] :
      ( disjoint(X1,X2)
    <=> ~ intersect(X1,X2) ),
    inference(fof_simplification,[status(thm)],[disjoint_defn]) ).

fof(c_0_17,negated_conjecture,
    ~ ! [X1,X2] :
        ( disjoint(X1,X2)
      <=> intersection(X1,X2) = empty_set ),
    inference(assume_negation,[status(cth)],[prove_th118]) ).

cnf(c_0_18,plain,
    ~ member(X1,empty_set),
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

cnf(c_0_19,plain,
    ( member(esk4_2(X1,X2),X1)
    | member(esk4_2(X1,X2),X2)
    | X1 = X2 ),
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

cnf(c_0_20,plain,
    ( intersect(X2,X3)
    | ~ member(X1,X2)
    | ~ member(X1,X3) ),
    inference(split_conjunct,[status(thm)],[c_0_13]) ).

cnf(c_0_21,plain,
    ( empty(intersection(X1,X2))
    | member(esk3_1(intersection(X1,X2)),X2) ),
    inference(spm,[status(thm)],[c_0_14,c_0_15]) ).

cnf(c_0_22,plain,
    ( member(X1,X2)
    | ~ member(X1,intersection(X2,X3)) ),
    inference(split_conjunct,[status(thm)],[c_0_9]) ).

fof(c_0_23,plain,
    ! [X14,X15] :
      ( ( ~ disjoint(X14,X15)
        | ~ intersect(X14,X15) )
      & ( intersect(X14,X15)
        | disjoint(X14,X15) ) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_16])]) ).

fof(c_0_24,negated_conjecture,
    ( ( ~ disjoint(esk5_0,esk6_0)
      | intersection(esk5_0,esk6_0) != empty_set )
    & ( disjoint(esk5_0,esk6_0)
      | intersection(esk5_0,esk6_0) = empty_set ) ),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_17])])]) ).

cnf(c_0_25,plain,
    ( ~ empty(X1)
    | ~ member(X2,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_10]) ).

cnf(c_0_26,plain,
    ( empty_set = X1
    | member(esk4_2(empty_set,X1),X1) ),
    inference(spm,[status(thm)],[c_0_18,c_0_19]) ).

cnf(c_0_27,plain,
    ( empty(intersection(X1,X2))
    | intersect(X3,X2)
    | ~ member(esk3_1(intersection(X1,X2)),X3) ),
    inference(spm,[status(thm)],[c_0_20,c_0_21]) ).

cnf(c_0_28,plain,
    ( empty(intersection(X1,X2))
    | member(esk3_1(intersection(X1,X2)),X1) ),
    inference(spm,[status(thm)],[c_0_22,c_0_15]) ).

cnf(c_0_29,plain,
    ( ~ disjoint(X1,X2)
    | ~ intersect(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_23]) ).

cnf(c_0_30,negated_conjecture,
    ( disjoint(esk5_0,esk6_0)
    | intersection(esk5_0,esk6_0) = empty_set ),
    inference(split_conjunct,[status(thm)],[c_0_24]) ).

cnf(c_0_31,plain,
    ( empty_set = X1
    | ~ empty(X1) ),
    inference(spm,[status(thm)],[c_0_25,c_0_26]) ).

cnf(c_0_32,plain,
    ( empty(intersection(X1,X2))
    | intersect(X1,X2) ),
    inference(spm,[status(thm)],[c_0_27,c_0_28]) ).

cnf(c_0_33,plain,
    ( member(X1,intersection(X2,X3))
    | ~ member(X1,X2)
    | ~ member(X1,X3) ),
    inference(split_conjunct,[status(thm)],[c_0_9]) ).

cnf(c_0_34,negated_conjecture,
    ( intersection(esk5_0,esk6_0) = empty_set
    | ~ intersect(esk5_0,esk6_0) ),
    inference(spm,[status(thm)],[c_0_29,c_0_30]) ).

cnf(c_0_35,plain,
    ( intersection(X1,X2) = empty_set
    | intersect(X1,X2) ),
    inference(spm,[status(thm)],[c_0_31,c_0_32]) ).

cnf(c_0_36,plain,
    ( ~ empty(intersection(X1,X2))
    | ~ member(X3,X2)
    | ~ member(X3,X1) ),
    inference(spm,[status(thm)],[c_0_25,c_0_33]) ).

cnf(c_0_37,negated_conjecture,
    intersection(esk5_0,esk6_0) = empty_set,
    inference(spm,[status(thm)],[c_0_34,c_0_35]) ).

cnf(c_0_38,plain,
    empty(empty_set),
    inference(spm,[status(thm)],[c_0_18,c_0_15]) ).

cnf(c_0_39,negated_conjecture,
    ( ~ disjoint(esk5_0,esk6_0)
    | intersection(esk5_0,esk6_0) != empty_set ),
    inference(split_conjunct,[status(thm)],[c_0_24]) ).

cnf(c_0_40,plain,
    ( intersect(X1,X2)
    | disjoint(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_23]) ).

cnf(c_0_41,negated_conjecture,
    ( ~ member(X1,esk6_0)
    | ~ member(X1,esk5_0) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_36,c_0_37]),c_0_38])]) ).

cnf(c_0_42,plain,
    ( member(esk1_2(X1,X2),X2)
    | ~ intersect(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_13]) ).

cnf(c_0_43,negated_conjecture,
    ( intersect(esk5_0,esk6_0)
    | intersection(esk5_0,esk6_0) != empty_set ),
    inference(spm,[status(thm)],[c_0_39,c_0_40]) ).

cnf(c_0_44,negated_conjecture,
    ( ~ intersect(X1,esk6_0)
    | ~ member(esk1_2(X1,esk6_0),esk5_0) ),
    inference(spm,[status(thm)],[c_0_41,c_0_42]) ).

cnf(c_0_45,plain,
    ( member(esk1_2(X1,X2),X1)
    | ~ intersect(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_13]) ).

cnf(c_0_46,negated_conjecture,
    intersect(esk5_0,esk6_0),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_43,c_0_37])]) ).

cnf(c_0_47,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_44,c_0_45]),c_0_46])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.13  % Problem    : SET636+3 : TPTP v8.1.2. Released v2.2.0.
% 0.00/0.14  % Command    : java -jar /export/starexec/sandbox/solver/bin/mcs_scs.jar %d %s
% 0.14/0.35  % Computer : n026.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 15:37:03 EDT 2023
% 0.14/0.35  % CPUTime  : 
% 0.21/0.62  start to proof: theBenchmark
% 0.21/0.66  % Version  : CSE_E---1.5
% 0.21/0.66  % Problem  : theBenchmark.p
% 0.21/0.66  % Proof found
% 0.21/0.66  % SZS status Theorem for theBenchmark.p
% 0.21/0.66  % SZS output start Proof
% See solution above
% 0.21/0.67  % Total time : 0.030000 s
% 0.21/0.67  % SZS output end Proof
% 0.21/0.67  % Total time : 0.033000 s
%------------------------------------------------------------------------------