TSTP Solution File: SEU140+2 by CSE_E---1.5

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : CSE_E---1.5
% Problem  : SEU140+2 : TPTP v8.1.2. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -jar /export/starexec/sandbox2/solver/bin/mcs_scs.jar %d %s

% Computer : n003.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 16:22:42 EDT 2023

% Result   : Theorem 0.20s 0.58s
% Output   : CNFRefutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :   33
% Syntax   : Number of formulae    :   79 (  22 unt;  22 typ;   0 def)
%            Number of atoms       :  170 (  42 equ)
%            Maximal formula atoms :   20 (   2 avg)
%            Number of connectives :  191 (  78   ~;  60   |;  41   &)
%                                         (  10 <=>;   2  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   17 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   33 (  16   >;  17   *;   0   +;   0  <<)
%            Number of predicates  :    7 (   5 usr;   1 prp; 0-2 aty)
%            Number of functors    :   17 (  17 usr;   6 con; 0-3 aty)
%            Number of variables   :  128 (   8 sgn;  81   !;   4   ?;   0   :)

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

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

tff(decl_24,type,
    set_union2: ( $i * $i ) > $i ).

tff(decl_25,type,
    set_intersection2: ( $i * $i ) > $i ).

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

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

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

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

tff(decl_30,type,
    empty: $i > $o ).

tff(decl_31,type,
    esk1_1: $i > $i ).

tff(decl_32,type,
    esk2_3: ( $i * $i * $i ) > $i ).

tff(decl_33,type,
    esk3_2: ( $i * $i ) > $i ).

tff(decl_34,type,
    esk4_3: ( $i * $i * $i ) > $i ).

tff(decl_35,type,
    esk5_3: ( $i * $i * $i ) > $i ).

tff(decl_36,type,
    esk6_0: $i ).

tff(decl_37,type,
    esk7_0: $i ).

tff(decl_38,type,
    esk8_2: ( $i * $i ) > $i ).

tff(decl_39,type,
    esk9_2: ( $i * $i ) > $i ).

tff(decl_40,type,
    esk10_2: ( $i * $i ) > $i ).

tff(decl_41,type,
    esk11_0: $i ).

tff(decl_42,type,
    esk12_0: $i ).

tff(decl_43,type,
    esk13_0: $i ).

fof(t4_xboole_0,lemma,
    ! [X1,X2] :
      ( ~ ( ~ disjoint(X1,X2)
          & ! [X3] : ~ in(X3,set_intersection2(X1,X2)) )
      & ~ ( ? [X3] : in(X3,set_intersection2(X1,X2))
          & disjoint(X1,X2) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t4_xboole_0) ).

fof(t48_xboole_1,lemma,
    ! [X1,X2] : set_difference(X1,set_difference(X1,X2)) = set_intersection2(X1,X2),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t48_xboole_1) ).

fof(t63_xboole_1,conjecture,
    ! [X1,X2,X3] :
      ( ( subset(X1,X2)
        & disjoint(X2,X3) )
     => disjoint(X1,X3) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t63_xboole_1) ).

fof(d1_xboole_0,axiom,
    ! [X1] :
      ( X1 = empty_set
    <=> ! [X2] : ~ in(X2,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_xboole_0) ).

fof(d4_xboole_0,axiom,
    ! [X1,X2,X3] :
      ( X3 = set_difference(X1,X2)
    <=> ! [X4] :
          ( in(X4,X3)
        <=> ( in(X4,X1)
            & ~ in(X4,X2) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_xboole_0) ).

fof(t3_xboole_0,lemma,
    ! [X1,X2] :
      ( ~ ( ~ disjoint(X1,X2)
          & ! [X3] :
              ~ ( in(X3,X1)
                & in(X3,X2) ) )
      & ~ ( ? [X3] :
              ( in(X3,X1)
              & in(X3,X2) )
          & disjoint(X1,X2) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_xboole_0) ).

fof(d3_xboole_0,axiom,
    ! [X1,X2,X3] :
      ( X3 = set_intersection2(X1,X2)
    <=> ! [X4] :
          ( in(X4,X3)
        <=> ( in(X4,X1)
            & in(X4,X2) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d3_xboole_0) ).

fof(l32_xboole_1,lemma,
    ! [X1,X2] :
      ( set_difference(X1,X2) = empty_set
    <=> subset(X1,X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l32_xboole_1) ).

fof(d10_xboole_0,axiom,
    ! [X1,X2] :
      ( X1 = X2
    <=> ( subset(X1,X2)
        & subset(X2,X1) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d10_xboole_0) ).

fof(t36_xboole_1,lemma,
    ! [X1,X2] : subset(set_difference(X1,X2),X1),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t36_xboole_1) ).

fof(t3_boole,axiom,
    ! [X1] : set_difference(X1,empty_set) = X1,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_boole) ).

fof(c_0_11,lemma,
    ! [X1,X2] :
      ( ~ ( ~ disjoint(X1,X2)
          & ! [X3] : ~ in(X3,set_intersection2(X1,X2)) )
      & ~ ( ? [X3] : in(X3,set_intersection2(X1,X2))
          & disjoint(X1,X2) ) ),
    inference(fof_simplification,[status(thm)],[t4_xboole_0]) ).

fof(c_0_12,lemma,
    ! [X115,X116,X118,X119,X120] :
      ( ( disjoint(X115,X116)
        | in(esk10_2(X115,X116),set_intersection2(X115,X116)) )
      & ( ~ in(X120,set_intersection2(X118,X119))
        | ~ disjoint(X118,X119) ) ),
    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_11])])])])]) ).

fof(c_0_13,lemma,
    ! [X112,X113] : set_difference(X112,set_difference(X112,X113)) = set_intersection2(X112,X113),
    inference(variable_rename,[status(thm)],[t48_xboole_1]) ).

fof(c_0_14,negated_conjecture,
    ~ ! [X1,X2,X3] :
        ( ( subset(X1,X2)
          & disjoint(X2,X3) )
       => disjoint(X1,X3) ),
    inference(assume_negation,[status(cth)],[t63_xboole_1]) ).

cnf(c_0_15,lemma,
    ( ~ in(X1,set_intersection2(X2,X3))
    | ~ disjoint(X2,X3) ),
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

cnf(c_0_16,lemma,
    set_difference(X1,set_difference(X1,X2)) = set_intersection2(X1,X2),
    inference(split_conjunct,[status(thm)],[c_0_13]) ).

fof(c_0_17,negated_conjecture,
    ( subset(esk11_0,esk12_0)
    & disjoint(esk12_0,esk13_0)
    & ~ disjoint(esk11_0,esk13_0) ),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_14])])]) ).

fof(c_0_18,plain,
    ! [X1] :
      ( X1 = empty_set
    <=> ! [X2] : ~ in(X2,X1) ),
    inference(fof_simplification,[status(thm)],[d1_xboole_0]) ).

fof(c_0_19,plain,
    ! [X1,X2,X3] :
      ( X3 = set_difference(X1,X2)
    <=> ! [X4] :
          ( in(X4,X3)
        <=> ( in(X4,X1)
            & ~ in(X4,X2) ) ) ),
    inference(fof_simplification,[status(thm)],[d4_xboole_0]) ).

fof(c_0_20,lemma,
    ! [X1,X2] :
      ( ~ ( ~ disjoint(X1,X2)
          & ! [X3] :
              ~ ( in(X3,X1)
                & in(X3,X2) ) )
      & ~ ( ? [X3] :
              ( in(X3,X1)
              & in(X3,X2) )
          & disjoint(X1,X2) ) ),
    inference(fof_simplification,[status(thm)],[t3_xboole_0]) ).

cnf(c_0_21,lemma,
    ( ~ disjoint(X2,X3)
    | ~ in(X1,set_difference(X2,set_difference(X2,X3))) ),
    inference(rw,[status(thm)],[c_0_15,c_0_16]) ).

cnf(c_0_22,negated_conjecture,
    disjoint(esk12_0,esk13_0),
    inference(split_conjunct,[status(thm)],[c_0_17]) ).

fof(c_0_23,plain,
    ! [X15,X16,X17] :
      ( ( X15 != empty_set
        | ~ in(X16,X15) )
      & ( in(esk1_1(X17),X17)
        | X17 = empty_set ) ),
    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_18])])])])]) ).

fof(c_0_24,plain,
    ! [X34,X35,X36,X37,X38,X39,X40,X41] :
      ( ( in(X37,X34)
        | ~ in(X37,X36)
        | X36 != set_intersection2(X34,X35) )
      & ( in(X37,X35)
        | ~ in(X37,X36)
        | X36 != set_intersection2(X34,X35) )
      & ( ~ in(X38,X34)
        | ~ in(X38,X35)
        | in(X38,X36)
        | X36 != set_intersection2(X34,X35) )
      & ( ~ in(esk4_3(X39,X40,X41),X41)
        | ~ in(esk4_3(X39,X40,X41),X39)
        | ~ in(esk4_3(X39,X40,X41),X40)
        | X41 = set_intersection2(X39,X40) )
      & ( in(esk4_3(X39,X40,X41),X39)
        | in(esk4_3(X39,X40,X41),X41)
        | X41 = set_intersection2(X39,X40) )
      & ( in(esk4_3(X39,X40,X41),X40)
        | in(esk4_3(X39,X40,X41),X41)
        | X41 = set_intersection2(X39,X40) ) ),
    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)],[d3_xboole_0])])])])])]) ).

fof(c_0_25,plain,
    ! [X43,X44,X45,X46,X47,X48,X49,X50] :
      ( ( in(X46,X43)
        | ~ in(X46,X45)
        | X45 != set_difference(X43,X44) )
      & ( ~ in(X46,X44)
        | ~ in(X46,X45)
        | X45 != set_difference(X43,X44) )
      & ( ~ in(X47,X43)
        | in(X47,X44)
        | in(X47,X45)
        | X45 != set_difference(X43,X44) )
      & ( ~ in(esk5_3(X48,X49,X50),X50)
        | ~ in(esk5_3(X48,X49,X50),X48)
        | in(esk5_3(X48,X49,X50),X49)
        | X50 = set_difference(X48,X49) )
      & ( in(esk5_3(X48,X49,X50),X48)
        | in(esk5_3(X48,X49,X50),X50)
        | X50 = set_difference(X48,X49) )
      & ( ~ in(esk5_3(X48,X49,X50),X49)
        | in(esk5_3(X48,X49,X50),X50)
        | X50 = set_difference(X48,X49) ) ),
    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)],[c_0_19])])])])])]) ).

fof(c_0_26,lemma,
    ! [X101,X102,X104,X105,X106] :
      ( ( in(esk9_2(X101,X102),X101)
        | disjoint(X101,X102) )
      & ( in(esk9_2(X101,X102),X102)
        | disjoint(X101,X102) )
      & ( ~ in(X106,X104)
        | ~ in(X106,X105)
        | ~ disjoint(X104,X105) ) ),
    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)],[c_0_20])])])])])]) ).

fof(c_0_27,lemma,
    ! [X63,X64] :
      ( ( set_difference(X63,X64) != empty_set
        | subset(X63,X64) )
      & ( ~ subset(X63,X64)
        | set_difference(X63,X64) = empty_set ) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[l32_xboole_1])]) ).

cnf(c_0_28,negated_conjecture,
    ~ in(X1,set_difference(esk12_0,set_difference(esk12_0,esk13_0))),
    inference(spm,[status(thm)],[c_0_21,c_0_22]) ).

cnf(c_0_29,plain,
    ( in(esk1_1(X1),X1)
    | X1 = empty_set ),
    inference(split_conjunct,[status(thm)],[c_0_23]) ).

cnf(c_0_30,plain,
    ( in(X1,X2)
    | ~ in(X1,X3)
    | X3 != set_intersection2(X4,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_24]) ).

cnf(c_0_31,plain,
    ( ~ in(X1,X2)
    | ~ in(X1,X3)
    | X3 != set_difference(X4,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_25]) ).

cnf(c_0_32,negated_conjecture,
    ~ disjoint(esk11_0,esk13_0),
    inference(split_conjunct,[status(thm)],[c_0_17]) ).

cnf(c_0_33,lemma,
    ( in(esk9_2(X1,X2),X2)
    | disjoint(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_26]) ).

fof(c_0_34,plain,
    ! [X13,X14] :
      ( ( subset(X13,X14)
        | X13 != X14 )
      & ( subset(X14,X13)
        | X13 != X14 )
      & ( ~ subset(X13,X14)
        | ~ subset(X14,X13)
        | X13 = X14 ) ),
    inference(distribute,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[d10_xboole_0])])]) ).

cnf(c_0_35,lemma,
    ( subset(X1,X2)
    | set_difference(X1,X2) != empty_set ),
    inference(split_conjunct,[status(thm)],[c_0_27]) ).

cnf(c_0_36,negated_conjecture,
    set_difference(esk12_0,set_difference(esk12_0,esk13_0)) = empty_set,
    inference(spm,[status(thm)],[c_0_28,c_0_29]) ).

fof(c_0_37,lemma,
    ! [X94,X95] : subset(set_difference(X94,X95),X94),
    inference(variable_rename,[status(thm)],[t36_xboole_1]) ).

cnf(c_0_38,plain,
    ( in(X1,X2)
    | X3 != set_difference(X4,set_difference(X4,X2))
    | ~ in(X1,X3) ),
    inference(rw,[status(thm)],[c_0_30,c_0_16]) ).

cnf(c_0_39,lemma,
    ( set_difference(X1,X2) = empty_set
    | ~ subset(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_27]) ).

cnf(c_0_40,negated_conjecture,
    subset(esk11_0,esk12_0),
    inference(split_conjunct,[status(thm)],[c_0_17]) ).

fof(c_0_41,plain,
    ! [X100] : set_difference(X100,empty_set) = X100,
    inference(variable_rename,[status(thm)],[t3_boole]) ).

cnf(c_0_42,plain,
    ( ~ in(X1,set_difference(X2,X3))
    | ~ in(X1,X3) ),
    inference(er,[status(thm)],[c_0_31]) ).

cnf(c_0_43,negated_conjecture,
    in(esk9_2(esk11_0,esk13_0),esk13_0),
    inference(spm,[status(thm)],[c_0_32,c_0_33]) ).

cnf(c_0_44,plain,
    ( X1 = X2
    | ~ subset(X1,X2)
    | ~ subset(X2,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_34]) ).

cnf(c_0_45,lemma,
    subset(esk12_0,set_difference(esk12_0,esk13_0)),
    inference(spm,[status(thm)],[c_0_35,c_0_36]) ).

cnf(c_0_46,lemma,
    subset(set_difference(X1,X2),X1),
    inference(split_conjunct,[status(thm)],[c_0_37]) ).

cnf(c_0_47,plain,
    ( in(X1,X2)
    | ~ in(X1,set_difference(X3,set_difference(X3,X2))) ),
    inference(er,[status(thm)],[c_0_38]) ).

cnf(c_0_48,negated_conjecture,
    set_difference(esk11_0,esk12_0) = empty_set,
    inference(spm,[status(thm)],[c_0_39,c_0_40]) ).

cnf(c_0_49,plain,
    set_difference(X1,empty_set) = X1,
    inference(split_conjunct,[status(thm)],[c_0_41]) ).

cnf(c_0_50,lemma,
    ( in(esk9_2(X1,X2),X1)
    | disjoint(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_26]) ).

cnf(c_0_51,negated_conjecture,
    ~ in(esk9_2(esk11_0,esk13_0),set_difference(X1,esk13_0)),
    inference(spm,[status(thm)],[c_0_42,c_0_43]) ).

cnf(c_0_52,lemma,
    set_difference(esk12_0,esk13_0) = esk12_0,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_44,c_0_45]),c_0_46])]) ).

cnf(c_0_53,negated_conjecture,
    ( in(X1,esk12_0)
    | ~ in(X1,esk11_0) ),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_47,c_0_48]),c_0_49]) ).

cnf(c_0_54,negated_conjecture,
    in(esk9_2(esk11_0,esk13_0),esk11_0),
    inference(spm,[status(thm)],[c_0_32,c_0_50]) ).

cnf(c_0_55,lemma,
    ~ in(esk9_2(esk11_0,esk13_0),esk12_0),
    inference(spm,[status(thm)],[c_0_51,c_0_52]) ).

cnf(c_0_56,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_53,c_0_54]),c_0_55]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem    : SEU140+2 : TPTP v8.1.2. Released v3.3.0.
% 0.00/0.13  % Command    : java -jar /export/starexec/sandbox2/solver/bin/mcs_scs.jar %d %s
% 0.12/0.34  % Computer : n003.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit   : 300
% 0.12/0.34  % WCLimit    : 300
% 0.12/0.34  % DateTime   : Wed Aug 23 23:47:07 EDT 2023
% 0.12/0.34  % CPUTime  : 
% 0.20/0.55  start to proof: theBenchmark
% 0.20/0.58  % Version  : CSE_E---1.5
% 0.20/0.58  % Problem  : theBenchmark.p
% 0.20/0.58  % Proof found
% 0.20/0.58  % SZS status Theorem for theBenchmark.p
% 0.20/0.58  % SZS output start Proof
% See solution above
% 0.20/0.58  % Total time : 0.016000 s
% 0.20/0.58  % SZS output end Proof
% 0.20/0.58  % Total time : 0.020000 s
%------------------------------------------------------------------------------