TSTP Solution File: SET143+3 by CSE_E---1.5

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : CSE_E---1.5
% Problem  : SET143+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 : n025.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 14:33:17 EDT 2023

% Result   : Theorem 3.02s 3.08s
% Output   : CNFRefutation 3.02s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   16
%            Number of leaves      :   14
% Syntax   : Number of formulae    :   73 (  30 unt;   8 typ;   0 def)
%            Number of atoms       :  137 (  35 equ)
%            Maximal formula atoms :   12 (   2 avg)
%            Number of connectives :  114 (  42   ~;  55   |;  11   &)
%                                         (   5 <=>;   1  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   13 (   3 avg)
%            Maximal term depth    :    5 (   1 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   10 (   5   >;   5   *;   0   +;   0  <<)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   3 con; 0-2 aty)
%            Number of variables   :  178 (  15 sgn;  37   !;   0   ?;   0   :)

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

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

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

tff(decl_25,type,
    esk1_2: ( $i * $i ) > $i ).

tff(decl_26,type,
    esk2_2: ( $i * $i ) > $i ).

tff(decl_27,type,
    esk3_0: $i ).

tff(decl_28,type,
    esk4_0: $i ).

tff(decl_29,type,
    esk5_0: $i ).

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

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

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

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

fof(prove_associativity_of_intersection,conjecture,
    ! [X1,X2,X3] : intersection(intersection(X1,X2),X3) = intersection(X1,intersection(X2,X3)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_associativity_of_intersection) ).

fof(c_0_6,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_7,plain,
    ! [X18,X19,X20,X21,X22,X23] :
      ( ( ~ member(X20,X18)
        | member(X20,X19)
        | X18 != X19 )
      & ( ~ member(X21,X19)
        | member(X21,X18)
        | X18 != X19 )
      & ( ~ member(esk2_2(X22,X23),X22)
        | ~ member(esk2_2(X22,X23),X23)
        | X22 = X23 )
      & ( member(esk2_2(X22,X23),X22)
        | member(esk2_2(X22,X23),X23)
        | X22 = X23 ) ),
    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_8,plain,
    ! [X11,X12,X13,X14,X15] :
      ( ( ~ subset(X11,X12)
        | ~ member(X13,X11)
        | member(X13,X12) )
      & ( member(esk1_2(X14,X15),X14)
        | subset(X14,X15) )
      & ( ~ member(esk1_2(X14,X15),X15)
        | subset(X14,X15) ) ),
    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])])])])])]) ).

cnf(c_0_9,plain,
    ( member(X1,X2)
    | ~ member(X1,intersection(X2,X3)) ),
    inference(split_conjunct,[status(thm)],[c_0_6]) ).

cnf(c_0_10,plain,
    ( member(esk2_2(X1,X2),X1)
    | member(esk2_2(X1,X2),X2)
    | X1 = X2 ),
    inference(split_conjunct,[status(thm)],[c_0_7]) ).

cnf(c_0_11,plain,
    ( subset(X1,X2)
    | ~ member(esk1_2(X1,X2),X2) ),
    inference(split_conjunct,[status(thm)],[c_0_8]) ).

cnf(c_0_12,plain,
    ( member(X1,intersection(X2,X3))
    | ~ member(X1,X2)
    | ~ member(X1,X3) ),
    inference(split_conjunct,[status(thm)],[c_0_6]) ).

cnf(c_0_13,plain,
    ( member(X1,X2)
    | ~ member(X1,intersection(X3,X2)) ),
    inference(split_conjunct,[status(thm)],[c_0_6]) ).

cnf(c_0_14,plain,
    ( member(esk1_2(X1,X2),X1)
    | subset(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_8]) ).

cnf(c_0_15,plain,
    ( intersection(X1,X2) = X3
    | member(esk2_2(intersection(X1,X2),X3),X3)
    | member(esk2_2(intersection(X1,X2),X3),X1) ),
    inference(spm,[status(thm)],[c_0_9,c_0_10]) ).

cnf(c_0_16,plain,
    ( subset(X1,intersection(X2,X3))
    | ~ member(esk1_2(X1,intersection(X2,X3)),X3)
    | ~ member(esk1_2(X1,intersection(X2,X3)),X2) ),
    inference(spm,[status(thm)],[c_0_11,c_0_12]) ).

cnf(c_0_17,plain,
    ( subset(intersection(X1,X2),X3)
    | member(esk1_2(intersection(X1,X2),X3),X2) ),
    inference(spm,[status(thm)],[c_0_13,c_0_14]) ).

cnf(c_0_18,plain,
    ( subset(intersection(X1,X2),X3)
    | member(esk1_2(intersection(X1,X2),X3),X1) ),
    inference(spm,[status(thm)],[c_0_9,c_0_14]) ).

cnf(c_0_19,plain,
    ( X1 = X2
    | ~ member(esk2_2(X1,X2),X1)
    | ~ member(esk2_2(X1,X2),X2) ),
    inference(split_conjunct,[status(thm)],[c_0_7]) ).

cnf(c_0_20,plain,
    ( intersection(X1,X2) = X1
    | member(esk2_2(intersection(X1,X2),X1),X1) ),
    inference(ef,[status(thm)],[c_0_15]) ).

cnf(c_0_21,plain,
    ( subset(intersection(X1,X2),intersection(X3,X2))
    | ~ member(esk1_2(intersection(X1,X2),intersection(X3,X2)),X3) ),
    inference(spm,[status(thm)],[c_0_16,c_0_17]) ).

cnf(c_0_22,plain,
    ( subset(intersection(intersection(X1,X2),X3),X4)
    | member(esk1_2(intersection(intersection(X1,X2),X3),X4),X1) ),
    inference(spm,[status(thm)],[c_0_9,c_0_18]) ).

fof(c_0_23,plain,
    ! [X9,X10] : intersection(X9,X10) = intersection(X10,X9),
    inference(variable_rename,[status(thm)],[commutativity_of_intersection]) ).

cnf(c_0_24,plain,
    ( intersection(X1,X2) = X1
    | ~ member(esk2_2(intersection(X1,X2),X1),intersection(X1,X2)) ),
    inference(spm,[status(thm)],[c_0_19,c_0_20]) ).

cnf(c_0_25,plain,
    subset(intersection(intersection(X1,X2),X3),intersection(X1,X3)),
    inference(spm,[status(thm)],[c_0_21,c_0_22]) ).

cnf(c_0_26,plain,
    intersection(X1,X2) = intersection(X2,X1),
    inference(split_conjunct,[status(thm)],[c_0_23]) ).

cnf(c_0_27,plain,
    ( intersection(X1,X2) = X1
    | ~ member(esk2_2(intersection(X1,X2),X1),X2) ),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_24,c_0_12]),c_0_20]) ).

fof(c_0_28,plain,
    ! [X7,X8] :
      ( ( subset(X7,X8)
        | X7 != X8 )
      & ( subset(X8,X7)
        | X7 != X8 )
      & ( ~ subset(X7,X8)
        | ~ subset(X8,X7)
        | X7 = X8 ) ),
    inference(distribute,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[equal_defn])])]) ).

cnf(c_0_29,plain,
    ( subset(X1,intersection(X2,X1))
    | ~ member(esk1_2(X1,intersection(X2,X1)),X2) ),
    inference(spm,[status(thm)],[c_0_16,c_0_14]) ).

cnf(c_0_30,plain,
    ( subset(intersection(X1,intersection(X2,X3)),X4)
    | member(esk1_2(intersection(X1,intersection(X2,X3)),X4),X2) ),
    inference(spm,[status(thm)],[c_0_9,c_0_17]) ).

cnf(c_0_31,plain,
    subset(intersection(intersection(X1,X2),X3),intersection(X3,X1)),
    inference(spm,[status(thm)],[c_0_25,c_0_26]) ).

cnf(c_0_32,plain,
    intersection(X1,X1) = X1,
    inference(spm,[status(thm)],[c_0_27,c_0_20]) ).

cnf(c_0_33,plain,
    ( X1 = X2
    | ~ subset(X1,X2)
    | ~ subset(X2,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_28]) ).

cnf(c_0_34,plain,
    subset(intersection(X1,intersection(X2,X3)),intersection(X2,intersection(X1,intersection(X2,X3)))),
    inference(spm,[status(thm)],[c_0_29,c_0_30]) ).

cnf(c_0_35,plain,
    subset(intersection(X1,X2),X2),
    inference(spm,[status(thm)],[c_0_11,c_0_17]) ).

cnf(c_0_36,plain,
    ( member(X3,X2)
    | ~ subset(X1,X2)
    | ~ member(X3,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_8]) ).

cnf(c_0_37,plain,
    subset(intersection(X1,X2),intersection(X2,X1)),
    inference(spm,[status(thm)],[c_0_31,c_0_32]) ).

cnf(c_0_38,plain,
    subset(intersection(X1,intersection(X2,X3)),intersection(X2,X1)),
    inference(spm,[status(thm)],[c_0_25,c_0_26]) ).

cnf(c_0_39,plain,
    intersection(X1,intersection(X2,intersection(X1,X3))) = intersection(X2,intersection(X1,X3)),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_33,c_0_34]),c_0_35])]) ).

cnf(c_0_40,plain,
    subset(intersection(intersection(X1,X2),X3),intersection(X1,intersection(intersection(X1,X2),X3))),
    inference(spm,[status(thm)],[c_0_34,c_0_26]) ).

cnf(c_0_41,plain,
    ( member(X1,intersection(X2,X3))
    | ~ member(X1,intersection(X3,X2)) ),
    inference(spm,[status(thm)],[c_0_36,c_0_37]) ).

cnf(c_0_42,plain,
    ( subset(intersection(X1,intersection(X2,X3)),X4)
    | member(esk1_2(intersection(X1,intersection(X2,X3)),X4),X3) ),
    inference(spm,[status(thm)],[c_0_13,c_0_17]) ).

cnf(c_0_43,plain,
    subset(intersection(X1,intersection(X2,intersection(X3,X4))),intersection(X3,X1)),
    inference(spm,[status(thm)],[c_0_38,c_0_39]) ).

cnf(c_0_44,plain,
    intersection(X1,intersection(intersection(X1,X2),X3)) = intersection(intersection(X1,X2),X3),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_33,c_0_40]),c_0_35])]) ).

cnf(c_0_45,plain,
    ( subset(intersection(X1,X2),X3)
    | member(esk1_2(intersection(X1,X2),X3),intersection(X2,X1)) ),
    inference(spm,[status(thm)],[c_0_41,c_0_14]) ).

cnf(c_0_46,plain,
    subset(intersection(X1,intersection(X2,X3)),intersection(X3,intersection(X1,intersection(X2,X3)))),
    inference(spm,[status(thm)],[c_0_29,c_0_42]) ).

cnf(c_0_47,plain,
    subset(intersection(intersection(X1,X2),intersection(X3,X4)),intersection(X3,X1)),
    inference(spm,[status(thm)],[c_0_43,c_0_44]) ).

cnf(c_0_48,plain,
    subset(intersection(X1,X2),intersection(intersection(X2,X1),intersection(X1,X2))),
    inference(spm,[status(thm)],[c_0_29,c_0_45]) ).

cnf(c_0_49,plain,
    ( intersection(X1,intersection(X2,X3)) = X1
    | ~ member(esk2_2(intersection(X1,intersection(X2,X3)),X1),X3)
    | ~ member(esk2_2(intersection(X1,intersection(X2,X3)),X1),X2) ),
    inference(spm,[status(thm)],[c_0_27,c_0_12]) ).

cnf(c_0_50,plain,
    ( intersection(intersection(X1,X2),X3) = intersection(X1,X2)
    | member(esk2_2(intersection(intersection(X1,X2),X3),intersection(X1,X2)),X1) ),
    inference(spm,[status(thm)],[c_0_9,c_0_20]) ).

cnf(c_0_51,plain,
    intersection(X1,intersection(X2,intersection(X3,X1))) = intersection(X2,intersection(X3,X1)),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_33,c_0_46]),c_0_35])]) ).

fof(c_0_52,negated_conjecture,
    ~ ! [X1,X2,X3] : intersection(intersection(X1,X2),X3) = intersection(X1,intersection(X2,X3)),
    inference(assume_negation,[status(cth)],[prove_associativity_of_intersection]) ).

cnf(c_0_53,plain,
    subset(intersection(intersection(X1,X2),intersection(X3,intersection(X4,X5))),intersection(X4,X1)),
    inference(spm,[status(thm)],[c_0_47,c_0_39]) ).

cnf(c_0_54,plain,
    intersection(intersection(X1,X2),intersection(X2,X1)) = intersection(X2,X1),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_33,c_0_48]),c_0_35])]) ).

cnf(c_0_55,plain,
    ( intersection(intersection(X1,X2),intersection(X3,X1)) = intersection(X1,X2)
    | ~ member(esk2_2(intersection(intersection(X1,X2),intersection(X3,X1)),intersection(X1,X2)),X3) ),
    inference(spm,[status(thm)],[c_0_49,c_0_50]) ).

cnf(c_0_56,plain,
    ( intersection(intersection(X1,intersection(X2,X3)),X4) = intersection(X1,intersection(X2,X3))
    | member(esk2_2(intersection(intersection(X1,intersection(X2,X3)),X4),intersection(X1,intersection(X2,X3))),X3) ),
    inference(spm,[status(thm)],[c_0_50,c_0_51]) ).

fof(c_0_57,negated_conjecture,
    intersection(intersection(esk3_0,esk4_0),esk5_0) != intersection(esk3_0,intersection(esk4_0,esk5_0)),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_52])])]) ).

cnf(c_0_58,plain,
    subset(intersection(intersection(X1,X2),intersection(X3,intersection(X4,X5))),intersection(X4,intersection(X2,X1))),
    inference(spm,[status(thm)],[c_0_53,c_0_54]) ).

cnf(c_0_59,plain,
    intersection(intersection(X1,X2),intersection(X2,intersection(X3,X1))) = intersection(X2,intersection(X3,X1)),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_55,c_0_56]),c_0_26]) ).

cnf(c_0_60,negated_conjecture,
    intersection(intersection(esk3_0,esk4_0),esk5_0) != intersection(esk3_0,intersection(esk4_0,esk5_0)),
    inference(split_conjunct,[status(thm)],[c_0_57]) ).

cnf(c_0_61,plain,
    subset(intersection(X1,intersection(X2,X3)),intersection(X2,intersection(X1,X3))),
    inference(spm,[status(thm)],[c_0_58,c_0_59]) ).

cnf(c_0_62,negated_conjecture,
    intersection(esk5_0,intersection(esk3_0,esk4_0)) != intersection(esk3_0,intersection(esk4_0,esk5_0)),
    inference(rw,[status(thm)],[c_0_60,c_0_26]) ).

cnf(c_0_63,plain,
    intersection(X1,intersection(X2,X3)) = intersection(X2,intersection(X1,X3)),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_33,c_0_61]),c_0_61])]) ).

cnf(c_0_64,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_62,c_0_63]),c_0_26])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem    : SET143+3 : TPTP v8.1.2. Released v2.2.0.
% 0.00/0.12  % Command    : java -jar /export/starexec/sandbox2/solver/bin/mcs_scs.jar %d %s
% 0.12/0.34  % Computer : n025.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   : Sat Aug 26 15:10:08 EDT 2023
% 0.12/0.34  % CPUTime  : 
% 0.19/0.57  start to proof: theBenchmark
% 3.02/3.08  % Version  : CSE_E---1.5
% 3.02/3.08  % Problem  : theBenchmark.p
% 3.02/3.08  % Proof found
% 3.02/3.08  % SZS status Theorem for theBenchmark.p
% 3.02/3.08  % SZS output start Proof
% See solution above
% 3.02/3.09  % Total time : 2.508000 s
% 3.02/3.09  % SZS output end Proof
% 3.02/3.09  % Total time : 2.511000 s
%------------------------------------------------------------------------------