TSTP Solution File: SET596+3 by CSE_E---1.5

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%------------------------------------------------------------------------------
% File     : CSE_E---1.5
% Problem  : SET596+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 : n008.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 14:34:42 EDT 2023

% Result   : Theorem 0.19s 0.58s
% Output   : CNFRefutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :   17
% Syntax   : Number of formulae    :   39 (  13 unt;  11 typ;   0 def)
%            Number of atoms       :   59 (  19 equ)
%            Maximal formula atoms :    7 (   2 avg)
%            Number of connectives :   53 (  22   ~;  16   |;   9   &)
%                                         (   2 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   12 (   7   >;   5   *;   0   +;   0  <<)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   4 con; 0-2 aty)
%            Number of variables   :   45 (   2 sgn;  31   !;   0   ?;   0   :)

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

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

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

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

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

tff(decl_27,type,
    esk1_2: ( $i * $i ) > $i ).

tff(decl_28,type,
    esk2_1: $i > $i ).

tff(decl_29,type,
    esk3_2: ( $i * $i ) > $i ).

tff(decl_30,type,
    esk4_0: $i ).

tff(decl_31,type,
    esk5_0: $i ).

tff(decl_32,type,
    esk6_0: $i ).

fof(prove_th55,conjecture,
    ! [X1,X2,X3] :
      ( ( subset(X1,X2)
        & intersection(X2,X3) = empty_set )
     => intersection(X1,X3) = empty_set ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_th55) ).

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

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

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

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

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

fof(c_0_6,negated_conjecture,
    ~ ! [X1,X2,X3] :
        ( ( subset(X1,X2)
          & intersection(X2,X3) = empty_set )
       => intersection(X1,X3) = empty_set ),
    inference(assume_negation,[status(cth)],[prove_th55]) ).

fof(c_0_7,plain,
    ! [X1] : ~ member(X1,empty_set),
    inference(fof_simplification,[status(thm)],[empty_set_defn]) ).

fof(c_0_8,plain,
    ! [X5,X6,X7] :
      ( ~ subset(X5,X6)
      | subset(intersection(X5,X7),intersection(X6,X7)) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[intersection_of_subset])]) ).

fof(c_0_9,negated_conjecture,
    ( subset(esk4_0,esk5_0)
    & intersection(esk5_0,esk6_0) = empty_set
    & intersection(esk4_0,esk6_0) != empty_set ),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_6])])]) ).

fof(c_0_10,plain,
    ! [X8] : ~ member(X8,empty_set),
    inference(variable_rename,[status(thm)],[c_0_7]) ).

fof(c_0_11,plain,
    ! [X12,X13,X14,X15,X16] :
      ( ( ~ subset(X12,X13)
        | ~ member(X14,X12)
        | member(X14,X13) )
      & ( member(esk1_2(X15,X16),X15)
        | subset(X15,X16) )
      & ( ~ member(esk1_2(X15,X16),X16)
        | subset(X15,X16) ) ),
    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_12,plain,
    ! [X18,X19] :
      ( ( subset(X18,X19)
        | X18 != X19 )
      & ( subset(X19,X18)
        | X18 != X19 )
      & ( ~ subset(X18,X19)
        | ~ subset(X19,X18)
        | X18 = X19 ) ),
    inference(distribute,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[equal_defn])])]) ).

cnf(c_0_13,plain,
    ( subset(intersection(X1,X3),intersection(X2,X3))
    | ~ subset(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_8]) ).

cnf(c_0_14,negated_conjecture,
    intersection(esk5_0,esk6_0) = empty_set,
    inference(split_conjunct,[status(thm)],[c_0_9]) ).

cnf(c_0_15,plain,
    ~ member(X1,empty_set),
    inference(split_conjunct,[status(thm)],[c_0_10]) ).

cnf(c_0_16,plain,
    ( member(esk1_2(X1,X2),X1)
    | subset(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

fof(c_0_17,plain,
    ! [X20,X21] : intersection(X20,X21) = intersection(X21,X20),
    inference(variable_rename,[status(thm)],[commutativity_of_intersection]) ).

cnf(c_0_18,plain,
    ( X1 = X2
    | ~ subset(X1,X2)
    | ~ subset(X2,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

cnf(c_0_19,negated_conjecture,
    ( subset(intersection(X1,esk6_0),empty_set)
    | ~ subset(X1,esk5_0) ),
    inference(spm,[status(thm)],[c_0_13,c_0_14]) ).

cnf(c_0_20,plain,
    subset(empty_set,X1),
    inference(spm,[status(thm)],[c_0_15,c_0_16]) ).

cnf(c_0_21,negated_conjecture,
    intersection(esk4_0,esk6_0) != empty_set,
    inference(split_conjunct,[status(thm)],[c_0_9]) ).

cnf(c_0_22,plain,
    intersection(X1,X2) = intersection(X2,X1),
    inference(split_conjunct,[status(thm)],[c_0_17]) ).

cnf(c_0_23,negated_conjecture,
    ( intersection(X1,esk6_0) = empty_set
    | ~ subset(X1,esk5_0) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_18,c_0_19]),c_0_20])]) ).

cnf(c_0_24,negated_conjecture,
    intersection(esk6_0,esk4_0) != empty_set,
    inference(rw,[status(thm)],[c_0_21,c_0_22]) ).

cnf(c_0_25,negated_conjecture,
    ( intersection(esk6_0,X1) = empty_set
    | ~ subset(X1,esk5_0) ),
    inference(spm,[status(thm)],[c_0_22,c_0_23]) ).

cnf(c_0_26,negated_conjecture,
    subset(esk4_0,esk5_0),
    inference(split_conjunct,[status(thm)],[c_0_9]) ).

cnf(c_0_27,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_24,c_0_25]),c_0_26])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem    : SET596+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 : n008.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 13:37:17 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.19/0.56  start to proof: theBenchmark
% 0.19/0.58  % Version  : CSE_E---1.5
% 0.19/0.58  % Problem  : theBenchmark.p
% 0.19/0.58  % Proof found
% 0.19/0.58  % SZS status Theorem for theBenchmark.p
% 0.19/0.58  % SZS output start Proof
% See solution above
% 0.19/0.58  % Total time : 0.009000 s
% 0.19/0.58  % SZS output end Proof
% 0.19/0.58  % Total time : 0.012000 s
%------------------------------------------------------------------------------