TSTP Solution File: SEU155+1 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : SEU155+1 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n017.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 12:38:50 EDT 2022

% Result   : Theorem 0.13s 0.35s
% Output   : CNFRefutation 0.13s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   35 (   7 unt;   0 def)
%            Number of atoms       :  103 (  13 equ)
%            Maximal formula atoms :   20 (   2 avg)
%            Number of connectives :  112 (  44   ~;  41   |;  14   &)
%                                         (   9 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   14 (   4 avg)
%            Maximal term depth    :    3 (   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   :   64 (   0 sgn  35   !;   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(l50_zfmisc_1,conjecture,
    ! [A,B] :
      ( in(A,B)
     => subset(A,union(B)) ) ).

fof(subgoal_0,plain,
    ! [A,B] :
      ( in(A,B)
     => subset(A,union(B)) ),
    inference(strip,[],[l50_zfmisc_1]) ).

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

fof(normalize_0_6,plain,
    ( ~ subset(skolemFOFtoCNF_A,union(skolemFOFtoCNF_B))
    & in(skolemFOFtoCNF_A,skolemFOFtoCNF_B) ),
    inference(skolemize,[],[normalize_0_5]) ).

fof(normalize_0_7,plain,
    in(skolemFOFtoCNF_A,skolemFOFtoCNF_B),
    inference(conjunct,[],[normalize_0_6]) ).

fof(normalize_0_8,plain,
    ! [A,B] :
      ( B != union(A)
    <=> ? [C] :
          ( ~ in(C,B)
        <=> ? [D] :
              ( in(C,D)
              & in(D,A) ) ) ),
    inference(canonicalize,[],[d4_tarski]) ).

fof(normalize_0_9,plain,
    ! [A,B] :
      ( B != union(A)
    <=> ? [C] :
          ( ~ in(C,B)
        <=> ? [D] :
              ( in(C,D)
              & in(D,A) ) ) ),
    inference(specialize,[],[normalize_0_8]) ).

fof(normalize_0_10,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_9]) ).

fof(normalize_0_11,plain,
    ! [A,B,C,D] :
      ( B != union(A)
      | ~ in(C,D)
      | ~ in(D,A)
      | in(C,B) ),
    inference(conjunct,[],[normalize_0_10]) ).

fof(normalize_0_12,plain,
    ~ subset(skolemFOFtoCNF_A,union(skolemFOFtoCNF_B)),
    inference(conjunct,[],[normalize_0_6]) ).

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(skolemFOFtoCNF_A,union(skolemFOFtoCNF_B)),union(skolemFOFtoCNF_B))
    | subset(skolemFOFtoCNF_A,union(skolemFOFtoCNF_B)) ),
    inference(subst,[],[refute_0_0:[bind(A,$fot(skolemFOFtoCNF_A)),bind(B,$fot(union(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(skolemFOFtoCNF_A,B),skolemFOFtoCNF_A)
    | subset(skolemFOFtoCNF_A,B) ),
    inference(subst,[],[refute_0_2:[bind(A,$fot(skolemFOFtoCNF_A))]]) ).

cnf(refute_0_4,plain,
    in(skolemFOFtoCNF_A,skolemFOFtoCNF_B),
    inference(canonicalize,[],[normalize_0_7]) ).

cnf(refute_0_5,plain,
    ( B != union(A)
    | ~ in(C,D)
    | ~ in(D,A)
    | in(C,B) ),
    inference(canonicalize,[],[normalize_0_11]) ).

cnf(refute_0_6,plain,
    ( union(A) != union(A)
    | ~ in(C,D)
    | ~ in(D,A)
    | in(C,union(A)) ),
    inference(subst,[],[refute_0_5:[bind(B,$fot(union(A)))]]) ).

cnf(refute_0_7,plain,
    union(A) = union(A),
    introduced(tautology,[refl,[$fot(union(A))]]) ).

cnf(refute_0_8,plain,
    ( ~ in(C,D)
    | ~ in(D,A)
    | in(C,union(A)) ),
    inference(resolve,[$cnf( $equal(union(A),union(A)) )],[refute_0_7,refute_0_6]) ).

cnf(refute_0_9,plain,
    ( ~ in(X_26,skolemFOFtoCNF_A)
    | ~ in(skolemFOFtoCNF_A,skolemFOFtoCNF_B)
    | in(X_26,union(skolemFOFtoCNF_B)) ),
    inference(subst,[],[refute_0_8:[bind(A,$fot(skolemFOFtoCNF_B)),bind(C,$fot(X_26)),bind(D,$fot(skolemFOFtoCNF_A))]]) ).

cnf(refute_0_10,plain,
    ( ~ in(X_26,skolemFOFtoCNF_A)
    | in(X_26,union(skolemFOFtoCNF_B)) ),
    inference(resolve,[$cnf( in(skolemFOFtoCNF_A,skolemFOFtoCNF_B) )],[refute_0_4,refute_0_9]) ).

cnf(refute_0_11,plain,
    ( ~ in(skolemFOFtoCNF_C(skolemFOFtoCNF_A,B),skolemFOFtoCNF_A)
    | in(skolemFOFtoCNF_C(skolemFOFtoCNF_A,B),union(skolemFOFtoCNF_B)) ),
    inference(subst,[],[refute_0_10:[bind(X_26,$fot(skolemFOFtoCNF_C(skolemFOFtoCNF_A,B)))]]) ).

cnf(refute_0_12,plain,
    ( in(skolemFOFtoCNF_C(skolemFOFtoCNF_A,B),union(skolemFOFtoCNF_B))
    | subset(skolemFOFtoCNF_A,B) ),
    inference(resolve,[$cnf( in(skolemFOFtoCNF_C(skolemFOFtoCNF_A,B),skolemFOFtoCNF_A) )],[refute_0_3,refute_0_11]) ).

cnf(refute_0_13,plain,
    ( in(skolemFOFtoCNF_C(skolemFOFtoCNF_A,union(skolemFOFtoCNF_B)),union(skolemFOFtoCNF_B))
    | subset(skolemFOFtoCNF_A,union(skolemFOFtoCNF_B)) ),
    inference(subst,[],[refute_0_12:[bind(B,$fot(union(skolemFOFtoCNF_B)))]]) ).

cnf(refute_0_14,plain,
    subset(skolemFOFtoCNF_A,union(skolemFOFtoCNF_B)),
    inference(resolve,[$cnf( in(skolemFOFtoCNF_C(skolemFOFtoCNF_A,union(skolemFOFtoCNF_B)),union(skolemFOFtoCNF_B)) )],[refute_0_13,refute_0_1]) ).

cnf(refute_0_15,plain,
    ~ subset(skolemFOFtoCNF_A,union(skolemFOFtoCNF_B)),
    inference(canonicalize,[],[normalize_0_12]) ).

cnf(refute_0_16,plain,
    $false,
    inference(resolve,[$cnf( subset(skolemFOFtoCNF_A,union(skolemFOFtoCNF_B)) )],[refute_0_14,refute_0_15]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SEU155+1 : TPTP v8.1.0. Released v3.3.0.
% 0.03/0.13  % Command  : metis --show proof --show saturation %s
% 0.13/0.34  % Computer : n017.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  : 600
% 0.13/0.34  % DateTime : Mon Jun 20 11:18:59 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.13/0.34  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.13/0.35  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.13/0.35  
% 0.13/0.35  % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 0.13/0.36  
%------------------------------------------------------------------------------