TSTP Solution File: SET949+1 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : SET949+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n007.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 03:38:34 EDT 2022

% Result   : Theorem 0.85s 1.05s
% Output   : CNFRefutation 0.85s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   29 (  12 unt;   0 def)
%            Number of atoms       :   85 (  46 equ)
%            Maximal formula atoms :   28 (   2 avg)
%            Number of connectives :  100 (  44   ~;  32   |;  16   &)
%                                         (   6 <=>;   2  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   19 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    4 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :   10 (  10 usr;   3 con; 0-3 aty)
%            Number of variables   :   81 (   4 sgn  43   !;  15   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(d2_zfmisc_1,axiom,
    ! [A,B,C] :
      ( C = cartesian_product2(A,B)
    <=> ! [D] :
          ( in(D,C)
        <=> ? [E,F] :
              ( in(E,A)
              & in(F,B)
              & D = ordered_pair(E,F) ) ) ) ).

fof(t102_zfmisc_1,conjecture,
    ! [A,B,C] :
      ~ ( in(A,cartesian_product2(B,C))
        & ! [D,E] : ordered_pair(D,E) != A ) ).

fof(subgoal_0,plain,
    ! [A,B,C] :
      ( in(A,cartesian_product2(B,C))
     => ~ ! [D,E] : ordered_pair(D,E) != A ),
    inference(strip,[],[t102_zfmisc_1]) ).

fof(negate_0_0,plain,
    ~ ! [A,B,C] :
        ( in(A,cartesian_product2(B,C))
       => ~ ! [D,E] : ordered_pair(D,E) != A ),
    inference(negate,[],[subgoal_0]) ).

fof(normalize_0_0,plain,
    ? [A] :
      ( ? [B,C] : in(A,cartesian_product2(B,C))
      & ! [D,E] : ordered_pair(D,E) != A ),
    inference(canonicalize,[],[negate_0_0]) ).

fof(normalize_0_1,plain,
    ( ? [B,C] : in(skolemFOFtoCNF_A_2,cartesian_product2(B,C))
    & ! [D,E] : ordered_pair(D,E) != skolemFOFtoCNF_A_2 ),
    inference(skolemize,[],[normalize_0_0]) ).

fof(normalize_0_2,plain,
    ? [B,C] : in(skolemFOFtoCNF_A_2,cartesian_product2(B,C)),
    inference(conjunct,[],[normalize_0_1]) ).

fof(normalize_0_3,plain,
    in(skolemFOFtoCNF_A_2,cartesian_product2(skolemFOFtoCNF_B,skolemFOFtoCNF_C)),
    inference(skolemize,[],[normalize_0_2]) ).

fof(normalize_0_4,plain,
    ! [A,B,C] :
      ( C != cartesian_product2(A,B)
    <=> ? [D] :
          ( ~ in(D,C)
        <=> ? [E,F] :
              ( D = ordered_pair(E,F)
              & in(E,A)
              & in(F,B) ) ) ),
    inference(canonicalize,[],[d2_zfmisc_1]) ).

fof(normalize_0_5,plain,
    ! [A,B,C] :
      ( C != cartesian_product2(A,B)
    <=> ? [D] :
          ( ~ in(D,C)
        <=> ? [E,F] :
              ( D = ordered_pair(E,F)
              & in(E,A)
              & in(F,B) ) ) ),
    inference(specialize,[],[normalize_0_4]) ).

fof(normalize_0_6,plain,
    ! [A,B,C,D,E,F] :
      ( ( C != cartesian_product2(A,B)
        | ~ in(D,C)
        | D = ordered_pair(skolemFOFtoCNF_E_1(A,B,D),skolemFOFtoCNF_F_1(A,B,D)) )
      & ( C != cartesian_product2(A,B)
        | ~ in(D,C)
        | in(skolemFOFtoCNF_E_1(A,B,D),A) )
      & ( C != cartesian_product2(A,B)
        | ~ in(D,C)
        | in(skolemFOFtoCNF_F_1(A,B,D),B) )
      & ( C = cartesian_product2(A,B)
        | skolemFOFtoCNF_D(A,B,C) = ordered_pair(skolemFOFtoCNF_E(A,B,C),skolemFOFtoCNF_F(A,B,C))
        | in(skolemFOFtoCNF_D(A,B,C),C) )
      & ( C = cartesian_product2(A,B)
        | in(skolemFOFtoCNF_D(A,B,C),C)
        | in(skolemFOFtoCNF_E(A,B,C),A) )
      & ( C = cartesian_product2(A,B)
        | in(skolemFOFtoCNF_D(A,B,C),C)
        | in(skolemFOFtoCNF_F(A,B,C),B) )
      & ( C != cartesian_product2(A,B)
        | D != ordered_pair(E,F)
        | ~ in(E,A)
        | ~ in(F,B)
        | in(D,C) )
      & ( skolemFOFtoCNF_D(A,B,C) != ordered_pair(E,F)
        | ~ in(E,A)
        | ~ in(F,B)
        | ~ in(skolemFOFtoCNF_D(A,B,C),C)
        | C = cartesian_product2(A,B) ) ),
    inference(clausify,[],[normalize_0_5]) ).

fof(normalize_0_7,plain,
    ! [A,B,C,D] :
      ( C != cartesian_product2(A,B)
      | ~ in(D,C)
      | D = ordered_pair(skolemFOFtoCNF_E_1(A,B,D),skolemFOFtoCNF_F_1(A,B,D)) ),
    inference(conjunct,[],[normalize_0_6]) ).

fof(normalize_0_8,plain,
    ! [D,E] : ordered_pair(D,E) != skolemFOFtoCNF_A_2,
    inference(conjunct,[],[normalize_0_1]) ).

fof(normalize_0_9,plain,
    ! [D,E] : ordered_pair(D,E) != skolemFOFtoCNF_A_2,
    inference(specialize,[],[normalize_0_8]) ).

cnf(refute_0_0,plain,
    in(skolemFOFtoCNF_A_2,cartesian_product2(skolemFOFtoCNF_B,skolemFOFtoCNF_C)),
    inference(canonicalize,[],[normalize_0_3]) ).

cnf(refute_0_1,plain,
    ( C != cartesian_product2(A,B)
    | ~ in(D,C)
    | D = ordered_pair(skolemFOFtoCNF_E_1(A,B,D),skolemFOFtoCNF_F_1(A,B,D)) ),
    inference(canonicalize,[],[normalize_0_7]) ).

cnf(refute_0_2,plain,
    ( cartesian_product2(A,B) != cartesian_product2(A,B)
    | ~ in(D,cartesian_product2(A,B))
    | D = ordered_pair(skolemFOFtoCNF_E_1(A,B,D),skolemFOFtoCNF_F_1(A,B,D)) ),
    inference(subst,[],[refute_0_1:[bind(C,$fot(cartesian_product2(A,B)))]]) ).

cnf(refute_0_3,plain,
    cartesian_product2(A,B) = cartesian_product2(A,B),
    introduced(tautology,[refl,[$fot(cartesian_product2(A,B))]]) ).

cnf(refute_0_4,plain,
    ( ~ in(D,cartesian_product2(A,B))
    | D = ordered_pair(skolemFOFtoCNF_E_1(A,B,D),skolemFOFtoCNF_F_1(A,B,D)) ),
    inference(resolve,[$cnf( $equal(cartesian_product2(A,B),cartesian_product2(A,B)) )],[refute_0_3,refute_0_2]) ).

cnf(refute_0_5,plain,
    ( ~ in(skolemFOFtoCNF_A_2,cartesian_product2(skolemFOFtoCNF_B,skolemFOFtoCNF_C))
    | skolemFOFtoCNF_A_2 = ordered_pair(skolemFOFtoCNF_E_1(skolemFOFtoCNF_B,skolemFOFtoCNF_C,skolemFOFtoCNF_A_2),skolemFOFtoCNF_F_1(skolemFOFtoCNF_B,skolemFOFtoCNF_C,skolemFOFtoCNF_A_2)) ),
    inference(subst,[],[refute_0_4:[bind(A,$fot(skolemFOFtoCNF_B)),bind(B,$fot(skolemFOFtoCNF_C)),bind(D,$fot(skolemFOFtoCNF_A_2))]]) ).

cnf(refute_0_6,plain,
    skolemFOFtoCNF_A_2 = ordered_pair(skolemFOFtoCNF_E_1(skolemFOFtoCNF_B,skolemFOFtoCNF_C,skolemFOFtoCNF_A_2),skolemFOFtoCNF_F_1(skolemFOFtoCNF_B,skolemFOFtoCNF_C,skolemFOFtoCNF_A_2)),
    inference(resolve,[$cnf( in(skolemFOFtoCNF_A_2,cartesian_product2(skolemFOFtoCNF_B,skolemFOFtoCNF_C)) )],[refute_0_0,refute_0_5]) ).

cnf(refute_0_7,plain,
    ordered_pair(D,E) != skolemFOFtoCNF_A_2,
    inference(canonicalize,[],[normalize_0_9]) ).

cnf(refute_0_8,plain,
    X = X,
    introduced(tautology,[refl,[$fot(X)]]) ).

cnf(refute_0_9,plain,
    ( X != X
    | X != Y
    | Y = X ),
    introduced(tautology,[equality,[$cnf( $equal(X,X) ),[0],$fot(Y)]]) ).

cnf(refute_0_10,plain,
    ( X != Y
    | Y = X ),
    inference(resolve,[$cnf( $equal(X,X) )],[refute_0_8,refute_0_9]) ).

cnf(refute_0_11,plain,
    ( skolemFOFtoCNF_A_2 != ordered_pair(D,E)
    | ordered_pair(D,E) = skolemFOFtoCNF_A_2 ),
    inference(subst,[],[refute_0_10:[bind(X,$fot(skolemFOFtoCNF_A_2)),bind(Y,$fot(ordered_pair(D,E)))]]) ).

cnf(refute_0_12,plain,
    skolemFOFtoCNF_A_2 != ordered_pair(D,E),
    inference(resolve,[$cnf( $equal(ordered_pair(D,E),skolemFOFtoCNF_A_2) )],[refute_0_11,refute_0_7]) ).

cnf(refute_0_13,plain,
    skolemFOFtoCNF_A_2 != ordered_pair(skolemFOFtoCNF_E_1(skolemFOFtoCNF_B,skolemFOFtoCNF_C,skolemFOFtoCNF_A_2),skolemFOFtoCNF_F_1(skolemFOFtoCNF_B,skolemFOFtoCNF_C,skolemFOFtoCNF_A_2)),
    inference(subst,[],[refute_0_12:[bind(D,$fot(skolemFOFtoCNF_E_1(skolemFOFtoCNF_B,skolemFOFtoCNF_C,skolemFOFtoCNF_A_2))),bind(E,$fot(skolemFOFtoCNF_F_1(skolemFOFtoCNF_B,skolemFOFtoCNF_C,skolemFOFtoCNF_A_2)))]]) ).

cnf(refute_0_14,plain,
    $false,
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_A_2,ordered_pair(skolemFOFtoCNF_E_1(skolemFOFtoCNF_B,skolemFOFtoCNF_C,skolemFOFtoCNF_A_2),skolemFOFtoCNF_F_1(skolemFOFtoCNF_B,skolemFOFtoCNF_C,skolemFOFtoCNF_A_2))) )],[refute_0_6,refute_0_13]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : SET949+1 : TPTP v8.1.0. Released v3.2.0.
% 0.11/0.12  % Command  : metis --show proof --show saturation %s
% 0.12/0.33  % Computer : n007.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Sun Jul 10 13:04:17 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.12/0.34  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.85/1.05  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.85/1.05  
% 0.85/1.05  % SZS output start CNFRefutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 0.85/1.06  
%------------------------------------------------------------------------------