TSTP Solution File: SET941+1 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : SET941+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n019.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 03:38:31 EDT 2022

% Result   : Theorem 0.12s 0.37s
% Output   : CNFRefutation 0.12s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   51 (   5 unt;   0 def)
%            Number of atoms       :  145 (  16 equ)
%            Maximal formula atoms :   20 (   2 avg)
%            Number of connectives :  153 (  59   ~;  64   |;  14   &)
%                                         (   9 <=>;   7  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   14 (   4 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    5 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   2 con; 0-2 aty)
%            Number of variables   :  101 (   0 sgn  47   !;   9   ?)

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

fof(d4_tarski,axiom,
    ! [A,B] :
      ( B = union(A)
    <=> ! [C] :
          ( in(C,B)
        <=> ? [D] :
              ( in(C,D)
              & in(D,A) ) ) ) ).

fof(t94_zfmisc_1,conjecture,
    ! [A,B] :
      ( ! [C] :
          ( in(C,A)
         => subset(C,B) )
     => subset(union(A),B) ) ).

fof(subgoal_0,plain,
    ! [A,B] :
      ( ! [C] :
          ( in(C,A)
         => subset(C,B) )
     => subset(union(A),B) ),
    inference(strip,[],[t94_zfmisc_1]) ).

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

fof(normalize_0_0,plain,
    ! [A,B] :
      ( ~ subset(A,B)
    <=> ? [C] :
          ( ~ in(C,B)
          & in(C,A) ) ),
    inference(canonicalize,[],[d3_tarski]) ).

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

fof(normalize_0_2,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_1]) ).

fof(normalize_0_3,plain,
    ! [A,B] :
      ( ~ in(skolemFOFtoCNF_C(A,B),B)
      | subset(A,B) ),
    inference(conjunct,[],[normalize_0_2]) ).

fof(normalize_0_4,plain,
    ! [A,B] :
      ( in(skolemFOFtoCNF_C(A,B),A)
      | subset(A,B) ),
    inference(conjunct,[],[normalize_0_2]) ).

fof(normalize_0_5,plain,
    ! [A,B] :
      ( B != union(A)
    <=> ? [C] :
          ( ~ in(C,B)
        <=> ? [D] :
              ( in(C,D)
              & in(D,A) ) ) ),
    inference(canonicalize,[],[d4_tarski]) ).

fof(normalize_0_6,plain,
    ! [A,B] :
      ( B != union(A)
    <=> ? [C] :
          ( ~ in(C,B)
        <=> ? [D] :
              ( in(C,D)
              & in(D,A) ) ) ),
    inference(specialize,[],[normalize_0_5]) ).

fof(normalize_0_7,plain,
    ! [A,B,C,D] :
      ( ( B != union(A)
        | ~ in(C,B)
        | in(C,skolemFOFtoCNF_D_1(A,C)) )
      & ( B != union(A)
        | ~ in(C,B)
        | in(skolemFOFtoCNF_D_1(A,C),A) )
      & ( B = union(A)
        | in(skolemFOFtoCNF_C_1(A,B),B)
        | in(skolemFOFtoCNF_C_1(A,B),skolemFOFtoCNF_D(A,B)) )
      & ( B = union(A)
        | in(skolemFOFtoCNF_C_1(A,B),B)
        | in(skolemFOFtoCNF_D(A,B),A) )
      & ( B != union(A)
        | ~ in(C,D)
        | ~ in(D,A)
        | in(C,B) )
      & ( ~ in(D,A)
        | ~ in(skolemFOFtoCNF_C_1(A,B),B)
        | ~ in(skolemFOFtoCNF_C_1(A,B),D)
        | B = union(A) ) ),
    inference(clausify,[],[normalize_0_6]) ).

fof(normalize_0_8,plain,
    ! [A,B,C] :
      ( B != union(A)
      | ~ in(C,B)
      | in(C,skolemFOFtoCNF_D_1(A,C)) ),
    inference(conjunct,[],[normalize_0_7]) ).

fof(normalize_0_9,plain,
    ? [A,B] :
      ( ~ subset(union(A),B)
      & ! [C] :
          ( ~ in(C,A)
          | subset(C,B) ) ),
    inference(canonicalize,[],[negate_0_0]) ).

fof(normalize_0_10,plain,
    ( ~ subset(union(skolemFOFtoCNF_A_2),skolemFOFtoCNF_B)
    & ! [C] :
        ( ~ in(C,skolemFOFtoCNF_A_2)
        | subset(C,skolemFOFtoCNF_B) ) ),
    inference(skolemize,[],[normalize_0_9]) ).

fof(normalize_0_11,plain,
    ! [C] :
      ( ~ in(C,skolemFOFtoCNF_A_2)
      | subset(C,skolemFOFtoCNF_B) ),
    inference(conjunct,[],[normalize_0_10]) ).

fof(normalize_0_12,plain,
    ! [C] :
      ( ~ in(C,skolemFOFtoCNF_A_2)
      | subset(C,skolemFOFtoCNF_B) ),
    inference(specialize,[],[normalize_0_11]) ).

fof(normalize_0_13,plain,
    ! [A,B,C] :
      ( B != union(A)
      | ~ in(C,B)
      | in(skolemFOFtoCNF_D_1(A,C),A) ),
    inference(conjunct,[],[normalize_0_7]) ).

fof(normalize_0_14,plain,
    ! [A,B,C] :
      ( ~ in(C,A)
      | ~ subset(A,B)
      | in(C,B) ),
    inference(conjunct,[],[normalize_0_2]) ).

fof(normalize_0_15,plain,
    ~ subset(union(skolemFOFtoCNF_A_2),skolemFOFtoCNF_B),
    inference(conjunct,[],[normalize_0_10]) ).

cnf(refute_0_0,plain,
    ( ~ in(skolemFOFtoCNF_C(A,B),B)
    | subset(A,B) ),
    inference(canonicalize,[],[normalize_0_3]) ).

cnf(refute_0_1,plain,
    ( ~ in(skolemFOFtoCNF_C(union(skolemFOFtoCNF_A_2),skolemFOFtoCNF_B),skolemFOFtoCNF_B)
    | subset(union(skolemFOFtoCNF_A_2),skolemFOFtoCNF_B) ),
    inference(subst,[],[refute_0_0:[bind(A,$fot(union(skolemFOFtoCNF_A_2))),bind(B,$fot(skolemFOFtoCNF_B))]]) ).

cnf(refute_0_2,plain,
    ( in(skolemFOFtoCNF_C(A,B),A)
    | subset(A,B) ),
    inference(canonicalize,[],[normalize_0_4]) ).

cnf(refute_0_3,plain,
    ( in(skolemFOFtoCNF_C(union(X_10),B),union(X_10))
    | subset(union(X_10),B) ),
    inference(subst,[],[refute_0_2:[bind(A,$fot(union(X_10)))]]) ).

cnf(refute_0_4,plain,
    ( B != union(A)
    | ~ in(C,B)
    | in(C,skolemFOFtoCNF_D_1(A,C)) ),
    inference(canonicalize,[],[normalize_0_8]) ).

cnf(refute_0_5,plain,
    ( union(A) != union(A)
    | ~ in(C,union(A))
    | in(C,skolemFOFtoCNF_D_1(A,C)) ),
    inference(subst,[],[refute_0_4:[bind(B,$fot(union(A)))]]) ).

cnf(refute_0_6,plain,
    union(A) = union(A),
    introduced(tautology,[refl,[$fot(union(A))]]) ).

cnf(refute_0_7,plain,
    ( ~ in(C,union(A))
    | in(C,skolemFOFtoCNF_D_1(A,C)) ),
    inference(resolve,[$cnf( $equal(union(A),union(A)) )],[refute_0_6,refute_0_5]) ).

cnf(refute_0_8,plain,
    ( ~ in(skolemFOFtoCNF_C(union(X_10),B),union(X_10))
    | in(skolemFOFtoCNF_C(union(X_10),B),skolemFOFtoCNF_D_1(X_10,skolemFOFtoCNF_C(union(X_10),B))) ),
    inference(subst,[],[refute_0_7:[bind(A,$fot(X_10)),bind(C,$fot(skolemFOFtoCNF_C(union(X_10),B)))]]) ).

cnf(refute_0_9,plain,
    ( in(skolemFOFtoCNF_C(union(X_10),B),skolemFOFtoCNF_D_1(X_10,skolemFOFtoCNF_C(union(X_10),B)))
    | subset(union(X_10),B) ),
    inference(resolve,[$cnf( in(skolemFOFtoCNF_C(union(X_10),B),union(X_10)) )],[refute_0_3,refute_0_8]) ).

cnf(refute_0_10,plain,
    ( in(skolemFOFtoCNF_C(union(skolemFOFtoCNF_A_2),X_42),skolemFOFtoCNF_D_1(skolemFOFtoCNF_A_2,skolemFOFtoCNF_C(union(skolemFOFtoCNF_A_2),X_42)))
    | subset(union(skolemFOFtoCNF_A_2),X_42) ),
    inference(subst,[],[refute_0_9:[bind(B,$fot(X_42)),bind(X_10,$fot(skolemFOFtoCNF_A_2))]]) ).

cnf(refute_0_11,plain,
    ( ~ in(C,skolemFOFtoCNF_A_2)
    | subset(C,skolemFOFtoCNF_B) ),
    inference(canonicalize,[],[normalize_0_12]) ).

cnf(refute_0_12,plain,
    ( ~ in(skolemFOFtoCNF_D_1(skolemFOFtoCNF_A_2,skolemFOFtoCNF_C(union(skolemFOFtoCNF_A_2),X_16)),skolemFOFtoCNF_A_2)
    | subset(skolemFOFtoCNF_D_1(skolemFOFtoCNF_A_2,skolemFOFtoCNF_C(union(skolemFOFtoCNF_A_2),X_16)),skolemFOFtoCNF_B) ),
    inference(subst,[],[refute_0_11:[bind(C,$fot(skolemFOFtoCNF_D_1(skolemFOFtoCNF_A_2,skolemFOFtoCNF_C(union(skolemFOFtoCNF_A_2),X_16))))]]) ).

cnf(refute_0_13,plain,
    ( in(skolemFOFtoCNF_C(union(X_12),B),union(X_12))
    | subset(union(X_12),B) ),
    inference(subst,[],[refute_0_2:[bind(A,$fot(union(X_12)))]]) ).

cnf(refute_0_14,plain,
    ( B != union(A)
    | ~ in(C,B)
    | in(skolemFOFtoCNF_D_1(A,C),A) ),
    inference(canonicalize,[],[normalize_0_13]) ).

cnf(refute_0_15,plain,
    ( union(A) != union(A)
    | ~ in(C,union(A))
    | in(skolemFOFtoCNF_D_1(A,C),A) ),
    inference(subst,[],[refute_0_14:[bind(B,$fot(union(A)))]]) ).

cnf(refute_0_16,plain,
    ( ~ in(C,union(A))
    | in(skolemFOFtoCNF_D_1(A,C),A) ),
    inference(resolve,[$cnf( $equal(union(A),union(A)) )],[refute_0_6,refute_0_15]) ).

cnf(refute_0_17,plain,
    ( ~ in(skolemFOFtoCNF_C(union(X_12),B),union(X_12))
    | in(skolemFOFtoCNF_D_1(X_12,skolemFOFtoCNF_C(union(X_12),B)),X_12) ),
    inference(subst,[],[refute_0_16:[bind(A,$fot(X_12)),bind(C,$fot(skolemFOFtoCNF_C(union(X_12),B)))]]) ).

cnf(refute_0_18,plain,
    ( in(skolemFOFtoCNF_D_1(X_12,skolemFOFtoCNF_C(union(X_12),B)),X_12)
    | subset(union(X_12),B) ),
    inference(resolve,[$cnf( in(skolemFOFtoCNF_C(union(X_12),B),union(X_12)) )],[refute_0_13,refute_0_17]) ).

cnf(refute_0_19,plain,
    ( in(skolemFOFtoCNF_D_1(skolemFOFtoCNF_A_2,skolemFOFtoCNF_C(union(skolemFOFtoCNF_A_2),X_16)),skolemFOFtoCNF_A_2)
    | subset(union(skolemFOFtoCNF_A_2),X_16) ),
    inference(subst,[],[refute_0_18:[bind(B,$fot(X_16)),bind(X_12,$fot(skolemFOFtoCNF_A_2))]]) ).

cnf(refute_0_20,plain,
    ( subset(skolemFOFtoCNF_D_1(skolemFOFtoCNF_A_2,skolemFOFtoCNF_C(union(skolemFOFtoCNF_A_2),X_16)),skolemFOFtoCNF_B)
    | subset(union(skolemFOFtoCNF_A_2),X_16) ),
    inference(resolve,[$cnf( in(skolemFOFtoCNF_D_1(skolemFOFtoCNF_A_2,skolemFOFtoCNF_C(union(skolemFOFtoCNF_A_2),X_16)),skolemFOFtoCNF_A_2) )],[refute_0_19,refute_0_12]) ).

cnf(refute_0_21,plain,
    ( ~ in(C,A)
    | ~ subset(A,B)
    | in(C,B) ),
    inference(canonicalize,[],[normalize_0_14]) ).

cnf(refute_0_22,plain,
    ( ~ in(X_25,skolemFOFtoCNF_D_1(skolemFOFtoCNF_A_2,skolemFOFtoCNF_C(union(skolemFOFtoCNF_A_2),X_16)))
    | ~ subset(skolemFOFtoCNF_D_1(skolemFOFtoCNF_A_2,skolemFOFtoCNF_C(union(skolemFOFtoCNF_A_2),X_16)),skolemFOFtoCNF_B)
    | in(X_25,skolemFOFtoCNF_B) ),
    inference(subst,[],[refute_0_21:[bind(A,$fot(skolemFOFtoCNF_D_1(skolemFOFtoCNF_A_2,skolemFOFtoCNF_C(union(skolemFOFtoCNF_A_2),X_16)))),bind(B,$fot(skolemFOFtoCNF_B)),bind(C,$fot(X_25))]]) ).

cnf(refute_0_23,plain,
    ( ~ in(X_25,skolemFOFtoCNF_D_1(skolemFOFtoCNF_A_2,skolemFOFtoCNF_C(union(skolemFOFtoCNF_A_2),X_16)))
    | in(X_25,skolemFOFtoCNF_B)
    | subset(union(skolemFOFtoCNF_A_2),X_16) ),
    inference(resolve,[$cnf( subset(skolemFOFtoCNF_D_1(skolemFOFtoCNF_A_2,skolemFOFtoCNF_C(union(skolemFOFtoCNF_A_2),X_16)),skolemFOFtoCNF_B) )],[refute_0_20,refute_0_22]) ).

cnf(refute_0_24,plain,
    ( ~ in(skolemFOFtoCNF_C(union(skolemFOFtoCNF_A_2),X_42),skolemFOFtoCNF_D_1(skolemFOFtoCNF_A_2,skolemFOFtoCNF_C(union(skolemFOFtoCNF_A_2),X_42)))
    | in(skolemFOFtoCNF_C(union(skolemFOFtoCNF_A_2),X_42),skolemFOFtoCNF_B)
    | subset(union(skolemFOFtoCNF_A_2),X_42) ),
    inference(subst,[],[refute_0_23:[bind(X_16,$fot(X_42)),bind(X_25,$fot(skolemFOFtoCNF_C(union(skolemFOFtoCNF_A_2),X_42)))]]) ).

cnf(refute_0_25,plain,
    ( in(skolemFOFtoCNF_C(union(skolemFOFtoCNF_A_2),X_42),skolemFOFtoCNF_B)
    | subset(union(skolemFOFtoCNF_A_2),X_42) ),
    inference(resolve,[$cnf( in(skolemFOFtoCNF_C(union(skolemFOFtoCNF_A_2),X_42),skolemFOFtoCNF_D_1(skolemFOFtoCNF_A_2,skolemFOFtoCNF_C(union(skolemFOFtoCNF_A_2),X_42))) )],[refute_0_10,refute_0_24]) ).

cnf(refute_0_26,plain,
    ( in(skolemFOFtoCNF_C(union(skolemFOFtoCNF_A_2),skolemFOFtoCNF_B),skolemFOFtoCNF_B)
    | subset(union(skolemFOFtoCNF_A_2),skolemFOFtoCNF_B) ),
    inference(subst,[],[refute_0_25:[bind(X_42,$fot(skolemFOFtoCNF_B))]]) ).

cnf(refute_0_27,plain,
    subset(union(skolemFOFtoCNF_A_2),skolemFOFtoCNF_B),
    inference(resolve,[$cnf( in(skolemFOFtoCNF_C(union(skolemFOFtoCNF_A_2),skolemFOFtoCNF_B),skolemFOFtoCNF_B) )],[refute_0_26,refute_0_1]) ).

cnf(refute_0_28,plain,
    ~ subset(union(skolemFOFtoCNF_A_2),skolemFOFtoCNF_B),
    inference(canonicalize,[],[normalize_0_15]) ).

cnf(refute_0_29,plain,
    $false,
    inference(resolve,[$cnf( subset(union(skolemFOFtoCNF_A_2),skolemFOFtoCNF_B) )],[refute_0_27,refute_0_28]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SET941+1 : TPTP v8.1.0. Released v3.2.0.
% 0.07/0.13  % Command  : metis --show proof --show saturation %s
% 0.12/0.34  % Computer : n019.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  : 600
% 0.12/0.34  % DateTime : Sat Jul  9 19:15:23 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.12/0.34  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.12/0.37  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.12/0.37  
% 0.12/0.37  % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 0.12/0.37  
%------------------------------------------------------------------------------