TSTP Solution File: SET638+3 by CSE_E---1.5

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%------------------------------------------------------------------------------
% File     : CSE_E---1.5
% Problem  : SET638+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 : n029.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 0.20s 0.58s
% Output   : CNFRefutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :   19
% Syntax   : Number of formulae    :   43 (  25 unt;  12 typ;   0 def)
%            Number of atoms       :   40 (  23 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   14 (   5   ~;   2   |;   4   &)
%                                         (   0 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   2 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   14 (   8   >;   6   *;   0   +;   0  <<)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    9 (   9 usr;   4 con; 0-2 aty)
%            Number of variables   :   46 (   2 sgn;  30   !;   0   ?;   0   :)

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

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

tff(decl_24,type,
    empty_set: $i ).

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

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

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

tff(decl_28,type,
    esk1_2: ( $i * $i ) > $i ).

tff(decl_29,type,
    esk2_1: $i > $i ).

tff(decl_30,type,
    esk3_2: ( $i * $i ) > $i ).

tff(decl_31,type,
    esk4_0: $i ).

tff(decl_32,type,
    esk5_0: $i ).

tff(decl_33,type,
    esk6_0: $i ).

fof(prove_th120,conjecture,
    ! [X1,X2,X3] :
      ( ( subset(X1,union(X2,X3))
        & intersection(X1,X3) = empty_set )
     => subset(X1,X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_th120) ).

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

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

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

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

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

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

fof(c_0_7,negated_conjecture,
    ~ ! [X1,X2,X3] :
        ( ( subset(X1,union(X2,X3))
          & intersection(X1,X3) = empty_set )
       => subset(X1,X2) ),
    inference(assume_negation,[status(cth)],[prove_th120]) ).

fof(c_0_8,negated_conjecture,
    ( subset(esk4_0,union(esk5_0,esk6_0))
    & intersection(esk4_0,esk6_0) = empty_set
    & ~ subset(esk4_0,esk5_0) ),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_7])])]) ).

fof(c_0_9,plain,
    ! [X27,X28] : union(X27,X28) = union(X28,X27),
    inference(variable_rename,[status(thm)],[commutativity_of_union]) ).

fof(c_0_10,plain,
    ! [X9,X10,X11] : intersection(X9,union(X10,X11)) = union(intersection(X9,X10),intersection(X9,X11)),
    inference(variable_rename,[status(thm)],[intersection_distributes_over_union]) ).

fof(c_0_11,plain,
    ! [X8] : union(X8,empty_set) = X8,
    inference(variable_rename,[status(thm)],[union_empty_set]) ).

fof(c_0_12,plain,
    ! [X6,X7] :
      ( ~ subset(X6,X7)
      | intersection(X6,X7) = X6 ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[subset_intersection])]) ).

cnf(c_0_13,negated_conjecture,
    subset(esk4_0,union(esk5_0,esk6_0)),
    inference(split_conjunct,[status(thm)],[c_0_8]) ).

cnf(c_0_14,plain,
    union(X1,X2) = union(X2,X1),
    inference(split_conjunct,[status(thm)],[c_0_9]) ).

cnf(c_0_15,plain,
    intersection(X1,union(X2,X3)) = union(intersection(X1,X2),intersection(X1,X3)),
    inference(split_conjunct,[status(thm)],[c_0_10]) ).

cnf(c_0_16,negated_conjecture,
    intersection(esk4_0,esk6_0) = empty_set,
    inference(split_conjunct,[status(thm)],[c_0_8]) ).

cnf(c_0_17,plain,
    union(X1,empty_set) = X1,
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

fof(c_0_18,plain,
    ! [X4,X5] : subset(intersection(X4,X5),X4),
    inference(variable_rename,[status(thm)],[intersection_is_subset]) ).

fof(c_0_19,plain,
    ! [X29,X30] : intersection(X29,X30) = intersection(X30,X29),
    inference(variable_rename,[status(thm)],[commutativity_of_intersection]) ).

cnf(c_0_20,plain,
    ( intersection(X1,X2) = X1
    | ~ subset(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

cnf(c_0_21,negated_conjecture,
    subset(esk4_0,union(esk6_0,esk5_0)),
    inference(rw,[status(thm)],[c_0_13,c_0_14]) ).

cnf(c_0_22,negated_conjecture,
    intersection(esk4_0,union(X1,esk6_0)) = intersection(esk4_0,X1),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_15,c_0_16]),c_0_17]) ).

cnf(c_0_23,plain,
    subset(intersection(X1,X2),X1),
    inference(split_conjunct,[status(thm)],[c_0_18]) ).

cnf(c_0_24,plain,
    intersection(X1,X2) = intersection(X2,X1),
    inference(split_conjunct,[status(thm)],[c_0_19]) ).

cnf(c_0_25,negated_conjecture,
    intersection(esk4_0,union(esk6_0,esk5_0)) = esk4_0,
    inference(spm,[status(thm)],[c_0_20,c_0_21]) ).

cnf(c_0_26,negated_conjecture,
    intersection(esk4_0,union(esk6_0,X1)) = intersection(esk4_0,X1),
    inference(spm,[status(thm)],[c_0_22,c_0_14]) ).

cnf(c_0_27,plain,
    subset(intersection(X1,X2),X2),
    inference(spm,[status(thm)],[c_0_23,c_0_24]) ).

cnf(c_0_28,negated_conjecture,
    intersection(esk4_0,esk5_0) = esk4_0,
    inference(rw,[status(thm)],[c_0_25,c_0_26]) ).

cnf(c_0_29,negated_conjecture,
    ~ subset(esk4_0,esk5_0),
    inference(split_conjunct,[status(thm)],[c_0_8]) ).

cnf(c_0_30,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_27,c_0_28]),c_0_29]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem    : SET638+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
% 0.17/0.34  % Computer : n029.cluster.edu
% 0.17/0.34  % Model    : x86_64 x86_64
% 0.17/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.17/0.34  % Memory   : 8042.1875MB
% 0.17/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.17/0.34  % CPULimit   : 300
% 0.17/0.34  % WCLimit    : 300
% 0.17/0.34  % DateTime   : Sat Aug 26 14:45:25 EDT 2023
% 0.17/0.34  % CPUTime  : 
% 0.20/0.56  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 : 0.008000 s
% 0.20/0.58  % SZS output end Proof
% 0.20/0.58  % Total time : 0.011000 s
%------------------------------------------------------------------------------