TSTP Solution File: SET595+3 by CSE_E---1.5

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : CSE_E---1.5
% Problem  : SET595+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 : n014.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 14:34:41 EDT 2023

% Result   : Theorem 2.02s 2.16s
% Output   : CNFRefutation 2.02s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :   15
% Syntax   : Number of formulae    :   85 (  27 unt;   9 typ;   0 def)
%            Number of atoms       :  157 (  21 equ)
%            Maximal formula atoms :    7 (   2 avg)
%            Number of connectives :  129 (  48   ~;  61   |;  12   &)
%                                         (   5 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   3 avg)
%            Maximal term depth    :    5 (   1 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   14 (   7   >;   7   *;   0   +;   0  <<)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   2 con; 0-2 aty)
%            Number of variables   :  173 (  24 sgn;  35   !;   0   ?;   0   :)

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

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

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

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

tff(decl_26,type,
    esk1_2: ( $i * $i ) > $i ).

tff(decl_27,type,
    esk2_2: ( $i * $i ) > $i ).

tff(decl_28,type,
    esk3_2: ( $i * $i ) > $i ).

tff(decl_29,type,
    esk4_0: $i ).

tff(decl_30,type,
    esk5_0: $i ).

fof(prove_th54,conjecture,
    ! [X1,X2] :
      ( subset(X1,X2)
     => X2 = union(X1,difference(X2,X1)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_th54) ).

fof(subset_defn,axiom,
    ! [X1,X2] :
      ( subset(X1,X2)
    <=> ! [X3] :
          ( member(X3,X1)
         => member(X3,X2) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',subset_defn) ).

fof(difference_defn,axiom,
    ! [X1,X2,X3] :
      ( member(X3,difference(X1,X2))
    <=> ( member(X3,X1)
        & ~ member(X3,X2) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',difference_defn) ).

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

fof(union_defn,axiom,
    ! [X1,X2,X3] :
      ( member(X3,union(X1,X2))
    <=> ( member(X3,X1)
        | member(X3,X2) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',union_defn) ).

fof(commutativity_of_union,axiom,
    ! [X1,X2] : union(X1,X2) = union(X2,X1),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_of_union) ).

fof(c_0_6,negated_conjecture,
    ~ ! [X1,X2] :
        ( subset(X1,X2)
       => X2 = union(X1,difference(X2,X1)) ),
    inference(assume_negation,[status(cth)],[prove_th54]) ).

fof(c_0_7,plain,
    ! [X13,X14,X15,X16,X17] :
      ( ( ~ subset(X13,X14)
        | ~ member(X15,X13)
        | member(X15,X14) )
      & ( member(esk2_2(X16,X17),X16)
        | subset(X16,X17) )
      & ( ~ member(esk2_2(X16,X17),X17)
        | subset(X16,X17) ) ),
    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)],[subset_defn])])])])])]) ).

fof(c_0_8,negated_conjecture,
    ( subset(esk4_0,esk5_0)
    & esk5_0 != union(esk4_0,difference(esk5_0,esk4_0)) ),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_6])])]) ).

fof(c_0_9,plain,
    ! [X1,X2,X3] :
      ( member(X3,difference(X1,X2))
    <=> ( member(X3,X1)
        & ~ member(X3,X2) ) ),
    inference(fof_simplification,[status(thm)],[difference_defn]) ).

cnf(c_0_10,plain,
    ( member(X3,X2)
    | ~ subset(X1,X2)
    | ~ member(X3,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_7]) ).

cnf(c_0_11,negated_conjecture,
    subset(esk4_0,esk5_0),
    inference(split_conjunct,[status(thm)],[c_0_8]) ).

fof(c_0_12,plain,
    ! [X10,X11,X12] :
      ( ( member(X12,X10)
        | ~ member(X12,difference(X10,X11)) )
      & ( ~ member(X12,X11)
        | ~ member(X12,difference(X10,X11)) )
      & ( ~ member(X12,X10)
        | member(X12,X11)
        | member(X12,difference(X10,X11)) ) ),
    inference(distribute,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_9])])]) ).

cnf(c_0_13,plain,
    ( subset(X1,X2)
    | ~ member(esk2_2(X1,X2),X2) ),
    inference(split_conjunct,[status(thm)],[c_0_7]) ).

cnf(c_0_14,negated_conjecture,
    ( member(X1,esk5_0)
    | ~ member(X1,esk4_0) ),
    inference(spm,[status(thm)],[c_0_10,c_0_11]) ).

cnf(c_0_15,plain,
    ( member(X1,X2)
    | ~ member(X1,difference(X2,X3)) ),
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

cnf(c_0_16,plain,
    ( member(esk2_2(X1,X2),X1)
    | subset(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_7]) ).

cnf(c_0_17,negated_conjecture,
    ( subset(X1,esk5_0)
    | ~ member(esk2_2(X1,esk5_0),esk4_0) ),
    inference(spm,[status(thm)],[c_0_13,c_0_14]) ).

cnf(c_0_18,plain,
    ( subset(difference(X1,X2),X3)
    | member(esk2_2(difference(X1,X2),X3),X1) ),
    inference(spm,[status(thm)],[c_0_15,c_0_16]) ).

cnf(c_0_19,negated_conjecture,
    subset(difference(esk4_0,X1),esk5_0),
    inference(spm,[status(thm)],[c_0_17,c_0_18]) ).

fof(c_0_20,plain,
    ! [X19,X20] :
      ( ( subset(X19,X20)
        | X19 != X20 )
      & ( subset(X20,X19)
        | X19 != X20 )
      & ( ~ subset(X19,X20)
        | ~ subset(X20,X19)
        | X19 = X20 ) ),
    inference(distribute,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[equal_defn])])]) ).

cnf(c_0_21,plain,
    ( ~ member(X1,X2)
    | ~ member(X1,difference(X3,X2)) ),
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

cnf(c_0_22,negated_conjecture,
    ( member(X1,esk5_0)
    | ~ member(X1,difference(esk4_0,X2)) ),
    inference(spm,[status(thm)],[c_0_10,c_0_19]) ).

cnf(c_0_23,plain,
    ( X1 = X2
    | ~ subset(X1,X2)
    | ~ subset(X2,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_20]) ).

cnf(c_0_24,plain,
    subset(difference(X1,X2),X1),
    inference(spm,[status(thm)],[c_0_13,c_0_18]) ).

cnf(c_0_25,plain,
    ( subset(difference(X1,X2),X3)
    | ~ member(esk2_2(difference(X1,X2),X3),X2) ),
    inference(spm,[status(thm)],[c_0_21,c_0_16]) ).

cnf(c_0_26,negated_conjecture,
    ( subset(difference(esk4_0,X1),X2)
    | member(esk2_2(difference(esk4_0,X1),X2),esk5_0) ),
    inference(spm,[status(thm)],[c_0_22,c_0_16]) ).

fof(c_0_27,plain,
    ! [X7,X8,X9] :
      ( ( ~ member(X9,union(X7,X8))
        | member(X9,X7)
        | member(X9,X8) )
      & ( ~ member(X9,X7)
        | member(X9,union(X7,X8)) )
      & ( ~ member(X9,X8)
        | member(X9,union(X7,X8)) ) ),
    inference(distribute,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[union_defn])])]) ).

cnf(c_0_28,plain,
    ( member(X1,X3)
    | member(X1,difference(X2,X3))
    | ~ member(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

cnf(c_0_29,plain,
    ( difference(X1,X2) = X1
    | ~ subset(X1,difference(X1,X2)) ),
    inference(spm,[status(thm)],[c_0_23,c_0_24]) ).

cnf(c_0_30,negated_conjecture,
    subset(difference(esk4_0,esk5_0),X1),
    inference(spm,[status(thm)],[c_0_25,c_0_26]) ).

cnf(c_0_31,plain,
    ( member(X1,union(X2,X3))
    | ~ member(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_27]) ).

cnf(c_0_32,plain,
    ( subset(X1,difference(X2,X3))
    | member(esk2_2(X1,difference(X2,X3)),X3)
    | ~ member(esk2_2(X1,difference(X2,X3)),X2) ),
    inference(spm,[status(thm)],[c_0_13,c_0_28]) ).

cnf(c_0_33,plain,
    ( subset(difference(difference(X1,X2),X3),X4)
    | member(esk2_2(difference(difference(X1,X2),X3),X4),X1) ),
    inference(spm,[status(thm)],[c_0_15,c_0_18]) ).

cnf(c_0_34,plain,
    ( member(X1,X2)
    | member(X1,X3)
    | ~ member(X1,union(X2,X3)) ),
    inference(split_conjunct,[status(thm)],[c_0_27]) ).

cnf(c_0_35,negated_conjecture,
    difference(difference(esk4_0,esk5_0),X1) = difference(esk4_0,esk5_0),
    inference(spm,[status(thm)],[c_0_29,c_0_30]) ).

cnf(c_0_36,plain,
    ( subset(difference(difference(X1,X2),X3),X4)
    | ~ member(esk2_2(difference(difference(X1,X2),X3),X4),X2) ),
    inference(spm,[status(thm)],[c_0_21,c_0_18]) ).

cnf(c_0_37,plain,
    ( member(X1,union(X3,X2))
    | ~ member(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_27]) ).

cnf(c_0_38,plain,
    ( subset(difference(X1,difference(X2,X3)),X4)
    | member(esk2_2(difference(X1,difference(X2,X3)),X4),X3)
    | ~ member(esk2_2(difference(X1,difference(X2,X3)),X4),X2) ),
    inference(spm,[status(thm)],[c_0_25,c_0_28]) ).

cnf(c_0_39,negated_conjecture,
    ( subset(difference(difference(esk4_0,X1),X2),X3)
    | member(esk2_2(difference(difference(esk4_0,X1),X2),X3),esk5_0) ),
    inference(spm,[status(thm)],[c_0_22,c_0_18]) ).

cnf(c_0_40,plain,
    ( subset(difference(X1,union(X2,X3)),X4)
    | ~ member(esk2_2(difference(X1,union(X2,X3)),X4),X2) ),
    inference(spm,[status(thm)],[c_0_25,c_0_31]) ).

cnf(c_0_41,plain,
    ( subset(X1,difference(X1,X2))
    | member(esk2_2(X1,difference(X1,X2)),X2) ),
    inference(spm,[status(thm)],[c_0_32,c_0_16]) ).

cnf(c_0_42,plain,
    subset(difference(difference(X1,X2),X3),X1),
    inference(spm,[status(thm)],[c_0_13,c_0_33]) ).

cnf(c_0_43,plain,
    ( subset(union(X1,X2),X3)
    | member(esk2_2(union(X1,X2),X3),X1)
    | member(esk2_2(union(X1,X2),X3),X2) ),
    inference(spm,[status(thm)],[c_0_34,c_0_16]) ).

fof(c_0_44,plain,
    ! [X21,X22] : union(X21,X22) = union(X22,X21),
    inference(variable_rename,[status(thm)],[commutativity_of_union]) ).

cnf(c_0_45,negated_conjecture,
    ( ~ member(X1,difference(esk4_0,esk5_0))
    | ~ member(X1,X2) ),
    inference(spm,[status(thm)],[c_0_21,c_0_35]) ).

cnf(c_0_46,plain,
    ( subset(difference(difference(X1,union(X2,X3)),X4),X5)
    | ~ member(esk2_2(difference(difference(X1,union(X2,X3)),X4),X5),X3) ),
    inference(spm,[status(thm)],[c_0_36,c_0_37]) ).

cnf(c_0_47,negated_conjecture,
    ( subset(difference(difference(esk4_0,X1),difference(esk5_0,X2)),X3)
    | member(esk2_2(difference(difference(esk4_0,X1),difference(esk5_0,X2)),X3),X2) ),
    inference(spm,[status(thm)],[c_0_38,c_0_39]) ).

cnf(c_0_48,plain,
    subset(difference(X1,union(X2,X3)),difference(difference(X1,union(X2,X3)),X2)),
    inference(spm,[status(thm)],[c_0_40,c_0_41]) ).

cnf(c_0_49,plain,
    ( member(X1,X2)
    | ~ member(X1,difference(difference(X2,X3),X4)) ),
    inference(spm,[status(thm)],[c_0_10,c_0_42]) ).

cnf(c_0_50,negated_conjecture,
    ( subset(union(X1,esk4_0),esk5_0)
    | member(esk2_2(union(X1,esk4_0),esk5_0),X1) ),
    inference(spm,[status(thm)],[c_0_17,c_0_43]) ).

cnf(c_0_51,plain,
    union(X1,X2) = union(X2,X1),
    inference(split_conjunct,[status(thm)],[c_0_44]) ).

cnf(c_0_52,negated_conjecture,
    ~ member(X1,difference(esk4_0,esk5_0)),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_10,c_0_30]),c_0_45]) ).

cnf(c_0_53,negated_conjecture,
    ( subset(difference(esk4_0,X1),difference(esk5_0,X2))
    | member(esk2_2(difference(esk4_0,X1),difference(esk5_0,X2)),X2) ),
    inference(spm,[status(thm)],[c_0_32,c_0_26]) ).

cnf(c_0_54,negated_conjecture,
    subset(difference(difference(esk4_0,union(X1,X2)),difference(esk5_0,X2)),X3),
    inference(spm,[status(thm)],[c_0_46,c_0_47]) ).

cnf(c_0_55,plain,
    difference(difference(X1,union(X2,X3)),X2) = difference(X1,union(X2,X3)),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_23,c_0_48]),c_0_24])]) ).

cnf(c_0_56,plain,
    ( subset(difference(difference(X1,X2),difference(X1,X3)),X4)
    | member(esk2_2(difference(difference(X1,X2),difference(X1,X3)),X4),X3) ),
    inference(spm,[status(thm)],[c_0_38,c_0_33]) ).

cnf(c_0_57,negated_conjecture,
    ( subset(union(esk4_0,difference(difference(X1,X2),X3)),esk5_0)
    | member(esk2_2(union(esk4_0,difference(difference(X1,X2),X3)),esk5_0),X1) ),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_49,c_0_50]),c_0_51]),c_0_51]) ).

cnf(c_0_58,negated_conjecture,
    subset(X1,difference(X1,difference(esk4_0,esk5_0))),
    inference(spm,[status(thm)],[c_0_52,c_0_41]) ).

cnf(c_0_59,negated_conjecture,
    subset(difference(esk4_0,X1),difference(esk5_0,X1)),
    inference(spm,[status(thm)],[c_0_25,c_0_53]) ).

cnf(c_0_60,negated_conjecture,
    ( X1 = difference(esk4_0,esk5_0)
    | ~ subset(X1,difference(esk4_0,esk5_0)) ),
    inference(spm,[status(thm)],[c_0_23,c_0_30]) ).

cnf(c_0_61,negated_conjecture,
    subset(difference(esk4_0,union(X1,difference(esk5_0,X1))),X2),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_54,c_0_55]),c_0_51]) ).

cnf(c_0_62,plain,
    subset(difference(difference(X1,union(X2,X3)),difference(X1,X3)),X4),
    inference(spm,[status(thm)],[c_0_46,c_0_56]) ).

cnf(c_0_63,negated_conjecture,
    subset(union(esk4_0,difference(difference(esk5_0,X1),X2)),esk5_0),
    inference(spm,[status(thm)],[c_0_13,c_0_57]) ).

cnf(c_0_64,negated_conjecture,
    difference(X1,difference(esk4_0,esk5_0)) = X1,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_23,c_0_58]),c_0_24])]) ).

cnf(c_0_65,plain,
    ( subset(difference(X1,difference(X1,X2)),X3)
    | member(esk2_2(difference(X1,difference(X1,X2)),X3),X2) ),
    inference(spm,[status(thm)],[c_0_38,c_0_18]) ).

cnf(c_0_66,negated_conjecture,
    ( difference(esk5_0,X1) = difference(esk4_0,X1)
    | ~ subset(difference(esk5_0,X1),difference(esk4_0,X1)) ),
    inference(spm,[status(thm)],[c_0_23,c_0_59]) ).

cnf(c_0_67,negated_conjecture,
    difference(esk4_0,union(X1,difference(esk5_0,X1))) = difference(esk4_0,esk5_0),
    inference(spm,[status(thm)],[c_0_60,c_0_61]) ).

cnf(c_0_68,plain,
    subset(difference(X1,union(X2,difference(X1,X2))),X3),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_62,c_0_55]),c_0_51]) ).

cnf(c_0_69,negated_conjecture,
    subset(union(esk4_0,difference(esk5_0,X1)),esk5_0),
    inference(spm,[status(thm)],[c_0_63,c_0_64]) ).

cnf(c_0_70,plain,
    subset(difference(X1,difference(X1,X2)),X2),
    inference(spm,[status(thm)],[c_0_13,c_0_65]) ).

cnf(c_0_71,negated_conjecture,
    difference(esk5_0,union(X1,difference(esk5_0,X1))) = difference(esk4_0,esk5_0),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_66,c_0_67]),c_0_68])]) ).

cnf(c_0_72,negated_conjecture,
    ( union(esk4_0,difference(esk5_0,X1)) = esk5_0
    | ~ subset(esk5_0,union(esk4_0,difference(esk5_0,X1))) ),
    inference(spm,[status(thm)],[c_0_23,c_0_69]) ).

cnf(c_0_73,negated_conjecture,
    subset(esk5_0,union(X1,difference(esk5_0,X1))),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_70,c_0_71]),c_0_64]) ).

cnf(c_0_74,negated_conjecture,
    esk5_0 != union(esk4_0,difference(esk5_0,esk4_0)),
    inference(split_conjunct,[status(thm)],[c_0_8]) ).

cnf(c_0_75,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_72,c_0_73]),c_0_74]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem    : SET595+3 : TPTP v8.1.2. Released v2.2.0.
% 0.00/0.13  % Command    : java -jar /export/starexec/sandbox2/solver/bin/mcs_scs.jar %d %s
% 0.13/0.35  % Computer : n014.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 12:16:17 EDT 2023
% 0.13/0.35  % CPUTime  : 
% 0.20/0.58  start to proof: theBenchmark
% 2.02/2.16  % Version  : CSE_E---1.5
% 2.02/2.16  % Problem  : theBenchmark.p
% 2.02/2.16  % Proof found
% 2.02/2.16  % SZS status Theorem for theBenchmark.p
% 2.02/2.16  % SZS output start Proof
% See solution above
% 2.02/2.17  % Total time : 1.571000 s
% 2.02/2.17  % SZS output end Proof
% 2.02/2.17  % Total time : 1.574000 s
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