TSTP Solution File: SEU130+1 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : SEU130+1 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n028.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  : 600s
% DateTime : Tue Jul 19 12:38:35 EDT 2022

% Result   : Theorem 0.12s 0.36s
% Output   : CNFRefutation 0.12s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   40 (   9 unt;   0 def)
%            Number of atoms       :  114 (  36 equ)
%            Maximal formula atoms :   20 (   2 avg)
%            Number of connectives :  123 (  49   ~;  47   |;  14   &)
%                                         (   9 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   14 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    5 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   2 con; 0-3 aty)
%            Number of variables   :   64 (   0 sgn  39   !;   6   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(d3_tarski,axiom,
    ! [A,B] :
      ( subset(A,B)
    <=> ! [C] :
          ( in(C,A)
         => in(C,B) ) ) ).

fof(d3_xboole_0,axiom,
    ! [A,B,C] :
      ( C = set_intersection2(A,B)
    <=> ! [D] :
          ( in(D,C)
        <=> ( in(D,A)
            & in(D,B) ) ) ) ).

fof(t28_xboole_1,conjecture,
    ! [A,B] :
      ( subset(A,B)
     => set_intersection2(A,B) = A ) ).

fof(subgoal_0,plain,
    ! [A,B] :
      ( subset(A,B)
     => set_intersection2(A,B) = A ),
    inference(strip,[],[t28_xboole_1]) ).

fof(negate_0_0,plain,
    ~ ! [A,B] :
        ( subset(A,B)
       => set_intersection2(A,B) = A ),
    inference(negate,[],[subgoal_0]) ).

fof(normalize_0_0,plain,
    ! [A,B,C] :
      ( C != set_intersection2(A,B)
    <=> ? [D] :
          ( ~ in(D,C)
        <=> ( in(D,A)
            & in(D,B) ) ) ),
    inference(canonicalize,[],[d3_xboole_0]) ).

fof(normalize_0_1,plain,
    ! [A,B,C] :
      ( C != set_intersection2(A,B)
    <=> ? [D] :
          ( ~ in(D,C)
        <=> ( in(D,A)
            & in(D,B) ) ) ),
    inference(specialize,[],[normalize_0_0]) ).

fof(normalize_0_2,plain,
    ! [A,B,C,D] :
      ( ( C != set_intersection2(A,B)
        | ~ in(D,C)
        | in(D,A) )
      & ( C != set_intersection2(A,B)
        | ~ in(D,C)
        | in(D,B) )
      & ( C = set_intersection2(A,B)
        | in(skolemFOFtoCNF_D(A,B,C),A)
        | in(skolemFOFtoCNF_D(A,B,C),C) )
      & ( C = set_intersection2(A,B)
        | in(skolemFOFtoCNF_D(A,B,C),B)
        | in(skolemFOFtoCNF_D(A,B,C),C) )
      & ( C != set_intersection2(A,B)
        | ~ in(D,A)
        | ~ in(D,B)
        | in(D,C) )
      & ( ~ in(skolemFOFtoCNF_D(A,B,C),A)
        | ~ in(skolemFOFtoCNF_D(A,B,C),B)
        | ~ in(skolemFOFtoCNF_D(A,B,C),C)
        | C = set_intersection2(A,B) ) ),
    inference(clausify,[],[normalize_0_1]) ).

fof(normalize_0_3,plain,
    ! [A,B,C] :
      ( C = set_intersection2(A,B)
      | in(skolemFOFtoCNF_D(A,B,C),A)
      | in(skolemFOFtoCNF_D(A,B,C),C) ),
    inference(conjunct,[],[normalize_0_2]) ).

fof(normalize_0_4,plain,
    ? [A,B] :
      ( set_intersection2(A,B) != A
      & subset(A,B) ),
    inference(canonicalize,[],[negate_0_0]) ).

fof(normalize_0_5,plain,
    ( set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B) != skolemFOFtoCNF_A_2
    & subset(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B) ),
    inference(skolemize,[],[normalize_0_4]) ).

fof(normalize_0_6,plain,
    subset(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B),
    inference(conjunct,[],[normalize_0_5]) ).

fof(normalize_0_7,plain,
    ! [A,B] :
      ( ~ subset(A,B)
    <=> ? [C] :
          ( ~ in(C,B)
          & in(C,A) ) ),
    inference(canonicalize,[],[d3_tarski]) ).

fof(normalize_0_8,plain,
    ! [A,B] :
      ( ~ subset(A,B)
    <=> ? [C] :
          ( ~ in(C,B)
          & in(C,A) ) ),
    inference(specialize,[],[normalize_0_7]) ).

fof(normalize_0_9,plain,
    ! [A,B,C] :
      ( ( ~ in(skolemFOFtoCNF_C(A,B),B)
        | subset(A,B) )
      & ( in(skolemFOFtoCNF_C(A,B),A)
        | subset(A,B) )
      & ( ~ in(C,A)
        | ~ subset(A,B)
        | in(C,B) ) ),
    inference(clausify,[],[normalize_0_8]) ).

fof(normalize_0_10,plain,
    ! [A,B,C] :
      ( ~ in(C,A)
      | ~ subset(A,B)
      | in(C,B) ),
    inference(conjunct,[],[normalize_0_9]) ).

fof(normalize_0_11,plain,
    ! [A,B,C] :
      ( ~ in(skolemFOFtoCNF_D(A,B,C),A)
      | ~ in(skolemFOFtoCNF_D(A,B,C),B)
      | ~ in(skolemFOFtoCNF_D(A,B,C),C)
      | C = set_intersection2(A,B) ),
    inference(conjunct,[],[normalize_0_2]) ).

fof(normalize_0_12,plain,
    set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B) != skolemFOFtoCNF_A_2,
    inference(conjunct,[],[normalize_0_5]) ).

cnf(refute_0_0,plain,
    ( C = set_intersection2(A,B)
    | in(skolemFOFtoCNF_D(A,B,C),A)
    | in(skolemFOFtoCNF_D(A,B,C),C) ),
    inference(canonicalize,[],[normalize_0_3]) ).

cnf(refute_0_1,plain,
    ( skolemFOFtoCNF_A_2 = set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B)
    | in(skolemFOFtoCNF_D(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B,skolemFOFtoCNF_A_2),skolemFOFtoCNF_A_2) ),
    inference(subst,[],[refute_0_0:[bind(A,$fot(skolemFOFtoCNF_A_2)),bind(B,$fot(skolemFOFtoCNF_B)),bind(C,$fot(skolemFOFtoCNF_A_2))]]) ).

cnf(refute_0_2,plain,
    ( skolemFOFtoCNF_A_2 = set_intersection2(skolemFOFtoCNF_A_2,B)
    | in(skolemFOFtoCNF_D(skolemFOFtoCNF_A_2,B,skolemFOFtoCNF_A_2),skolemFOFtoCNF_A_2) ),
    inference(subst,[],[refute_0_0:[bind(A,$fot(skolemFOFtoCNF_A_2)),bind(C,$fot(skolemFOFtoCNF_A_2))]]) ).

cnf(refute_0_3,plain,
    subset(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B),
    inference(canonicalize,[],[normalize_0_6]) ).

cnf(refute_0_4,plain,
    ( ~ in(C,A)
    | ~ subset(A,B)
    | in(C,B) ),
    inference(canonicalize,[],[normalize_0_10]) ).

cnf(refute_0_5,plain,
    ( ~ in(X_66,skolemFOFtoCNF_A_2)
    | ~ subset(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B)
    | in(X_66,skolemFOFtoCNF_B) ),
    inference(subst,[],[refute_0_4:[bind(A,$fot(skolemFOFtoCNF_A_2)),bind(B,$fot(skolemFOFtoCNF_B)),bind(C,$fot(X_66))]]) ).

cnf(refute_0_6,plain,
    ( ~ in(X_66,skolemFOFtoCNF_A_2)
    | in(X_66,skolemFOFtoCNF_B) ),
    inference(resolve,[$cnf( subset(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B) )],[refute_0_3,refute_0_5]) ).

cnf(refute_0_7,plain,
    ( ~ in(skolemFOFtoCNF_D(skolemFOFtoCNF_A_2,B,skolemFOFtoCNF_A_2),skolemFOFtoCNF_A_2)
    | in(skolemFOFtoCNF_D(skolemFOFtoCNF_A_2,B,skolemFOFtoCNF_A_2),skolemFOFtoCNF_B) ),
    inference(subst,[],[refute_0_6:[bind(X_66,$fot(skolemFOFtoCNF_D(skolemFOFtoCNF_A_2,B,skolemFOFtoCNF_A_2)))]]) ).

cnf(refute_0_8,plain,
    ( skolemFOFtoCNF_A_2 = set_intersection2(skolemFOFtoCNF_A_2,B)
    | in(skolemFOFtoCNF_D(skolemFOFtoCNF_A_2,B,skolemFOFtoCNF_A_2),skolemFOFtoCNF_B) ),
    inference(resolve,[$cnf( in(skolemFOFtoCNF_D(skolemFOFtoCNF_A_2,B,skolemFOFtoCNF_A_2),skolemFOFtoCNF_A_2) )],[refute_0_2,refute_0_7]) ).

cnf(refute_0_9,plain,
    ( skolemFOFtoCNF_A_2 = set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B)
    | in(skolemFOFtoCNF_D(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B,skolemFOFtoCNF_A_2),skolemFOFtoCNF_B) ),
    inference(subst,[],[refute_0_8:[bind(B,$fot(skolemFOFtoCNF_B))]]) ).

cnf(refute_0_10,plain,
    ( ~ in(skolemFOFtoCNF_D(A,B,C),A)
    | ~ in(skolemFOFtoCNF_D(A,B,C),B)
    | ~ in(skolemFOFtoCNF_D(A,B,C),C)
    | C = set_intersection2(A,B) ),
    inference(canonicalize,[],[normalize_0_11]) ).

cnf(refute_0_11,plain,
    ( ~ in(skolemFOFtoCNF_D(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B,skolemFOFtoCNF_A_2),skolemFOFtoCNF_A_2)
    | ~ in(skolemFOFtoCNF_D(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B,skolemFOFtoCNF_A_2),skolemFOFtoCNF_B)
    | skolemFOFtoCNF_A_2 = set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B) ),
    inference(subst,[],[refute_0_10:[bind(A,$fot(skolemFOFtoCNF_A_2)),bind(B,$fot(skolemFOFtoCNF_B)),bind(C,$fot(skolemFOFtoCNF_A_2))]]) ).

cnf(refute_0_12,plain,
    ( ~ in(skolemFOFtoCNF_D(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B,skolemFOFtoCNF_A_2),skolemFOFtoCNF_A_2)
    | skolemFOFtoCNF_A_2 = set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B) ),
    inference(resolve,[$cnf( in(skolemFOFtoCNF_D(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B,skolemFOFtoCNF_A_2),skolemFOFtoCNF_B) )],[refute_0_9,refute_0_11]) ).

cnf(refute_0_13,plain,
    set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B) != skolemFOFtoCNF_A_2,
    inference(canonicalize,[],[normalize_0_12]) ).

cnf(refute_0_14,plain,
    X = X,
    introduced(tautology,[refl,[$fot(X)]]) ).

cnf(refute_0_15,plain,
    ( X != X
    | X != Y
    | Y = X ),
    introduced(tautology,[equality,[$cnf( $equal(X,X) ),[0],$fot(Y)]]) ).

cnf(refute_0_16,plain,
    ( X != Y
    | Y = X ),
    inference(resolve,[$cnf( $equal(X,X) )],[refute_0_14,refute_0_15]) ).

cnf(refute_0_17,plain,
    ( skolemFOFtoCNF_A_2 != set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B)
    | set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B) = skolemFOFtoCNF_A_2 ),
    inference(subst,[],[refute_0_16:[bind(X,$fot(skolemFOFtoCNF_A_2)),bind(Y,$fot(set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B)))]]) ).

cnf(refute_0_18,plain,
    skolemFOFtoCNF_A_2 != set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B),
    inference(resolve,[$cnf( $equal(set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B),skolemFOFtoCNF_A_2) )],[refute_0_17,refute_0_13]) ).

cnf(refute_0_19,plain,
    ~ in(skolemFOFtoCNF_D(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B,skolemFOFtoCNF_A_2),skolemFOFtoCNF_A_2),
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B)) )],[refute_0_12,refute_0_18]) ).

cnf(refute_0_20,plain,
    skolemFOFtoCNF_A_2 = set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B),
    inference(resolve,[$cnf( in(skolemFOFtoCNF_D(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B,skolemFOFtoCNF_A_2),skolemFOFtoCNF_A_2) )],[refute_0_1,refute_0_19]) ).

cnf(refute_0_21,plain,
    $false,
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_A_2,set_intersection2(skolemFOFtoCNF_A_2,skolemFOFtoCNF_B)) )],[refute_0_20,refute_0_18]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.11  % Problem  : SEU130+1 : TPTP v8.1.0. Released v3.3.0.
% 0.11/0.12  % Command  : metis --show proof --show saturation %s
% 0.12/0.32  % Computer : n028.cluster.edu
% 0.12/0.32  % Model    : x86_64 x86_64
% 0.12/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.32  % Memory   : 8042.1875MB
% 0.12/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.32  % CPULimit : 300
% 0.12/0.32  % WCLimit  : 600
% 0.12/0.32  % DateTime : Mon Jun 20 03:39:01 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.12/0.33  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.12/0.36  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.12/0.36  
% 0.12/0.36  % SZS output start CNFRefutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 0.12/0.36  
%------------------------------------------------------------------------------