TSTP Solution File: ALG211+1 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : ALG211+1 : TPTP v8.1.0. Released v3.1.0.
% 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 : Thu Jul 14 17:39:34 EDT 2022

% Result   : Theorem 0.18s 0.54s
% Output   : CNFRefutation 0.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   16
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   65 (  13 unt;   0 def)
%            Number of atoms       :  164 (   0 equ)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives :  179 (  80   ~;  67   |;  21   &)
%                                         (   3 <=>;   8  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    6 (   5 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   2 con; 0-3 aty)
%            Number of variables   :  104 (   2 sgn  70   !;  14   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(basis_of,axiom,
    ! [B,V] :
      ( basis_of(B,V)
     => ( lin_ind_subset(B,V)
        & a_subset_of(B,vec_to_class(V)) ) ) ).

fof(bg_2_2_5,axiom,
    ! [S,T,V] :
      ( ( lin_ind_subset(S,V)
        & basis_of(T,V) )
     => ? [U] :
          ( a_subset_of(U,T)
          & basis_of(union(S,U),V) ) ) ).

fof(bg_remark_63_a,axiom,
    ! [A] :
      ( a_vector_space(A)
     => ? [B] : basis_of(B,A) ) ).

fof(bg_2_4_a,axiom,
    ! [A,B] :
      ( a_vector_subspace_of(A,B)
     => a_vector_space(A) ) ).

fof(bg_2_4_2,axiom,
    ! [W,V,E] :
      ( ( a_vector_subspace_of(W,V)
        & a_subset_of(E,vec_to_class(W)) )
     => ( lin_ind_subset(E,W)
      <=> lin_ind_subset(E,V) ) ) ).

fof(bg_2_4_3,conjecture,
    ! [W,V] :
      ( ( a_vector_subspace_of(W,V)
        & a_vector_space(V) )
     => ? [E,F] :
          ( basis_of(union(E,F),V)
          & basis_of(E,W) ) ) ).

fof(subgoal_0,plain,
    ! [W,V] :
      ( ( a_vector_subspace_of(W,V)
        & a_vector_space(V) )
     => ? [E,F] :
          ( basis_of(union(E,F),V)
          & basis_of(E,W) ) ),
    inference(strip,[],[bg_2_4_3]) ).

fof(negate_0_0,plain,
    ~ ! [W,V] :
        ( ( a_vector_subspace_of(W,V)
          & a_vector_space(V) )
       => ? [E,F] :
            ( basis_of(union(E,F),V)
            & basis_of(E,W) ) ),
    inference(negate,[],[subgoal_0]) ).

fof(normalize_0_0,plain,
    ? [V,W] :
      ( a_vector_space(V)
      & a_vector_subspace_of(W,V)
      & ! [E] :
          ( ~ basis_of(E,W)
          | ! [F] : ~ basis_of(union(E,F),V) ) ),
    inference(canonicalize,[],[negate_0_0]) ).

fof(normalize_0_1,plain,
    ( a_vector_space(skolemFOFtoCNF_V)
    & a_vector_subspace_of(skolemFOFtoCNF_W,skolemFOFtoCNF_V)
    & ! [E] :
        ( ~ basis_of(E,skolemFOFtoCNF_W)
        | ! [F] : ~ basis_of(union(E,F),skolemFOFtoCNF_V) ) ),
    inference(skolemize,[],[normalize_0_0]) ).

fof(normalize_0_2,plain,
    ! [E] :
      ( ~ basis_of(E,skolemFOFtoCNF_W)
      | ! [F] : ~ basis_of(union(E,F),skolemFOFtoCNF_V) ),
    inference(conjunct,[],[normalize_0_1]) ).

fof(normalize_0_3,plain,
    ! [E] :
      ( ~ basis_of(E,skolemFOFtoCNF_W)
      | ! [F] : ~ basis_of(union(E,F),skolemFOFtoCNF_V) ),
    inference(specialize,[],[normalize_0_2]) ).

fof(normalize_0_4,plain,
    ! [E,F] :
      ( ~ basis_of(E,skolemFOFtoCNF_W)
      | ~ basis_of(union(E,F),skolemFOFtoCNF_V) ),
    inference(clausify,[],[normalize_0_3]) ).

fof(normalize_0_5,plain,
    a_vector_space(skolemFOFtoCNF_V),
    inference(conjunct,[],[normalize_0_1]) ).

fof(normalize_0_6,plain,
    ! [A] :
      ( ~ a_vector_space(A)
      | ? [B] : basis_of(B,A) ),
    inference(canonicalize,[],[bg_remark_63_a]) ).

fof(normalize_0_7,plain,
    ! [A] :
      ( ~ a_vector_space(A)
      | ? [B] : basis_of(B,A) ),
    inference(specialize,[],[normalize_0_6]) ).

fof(normalize_0_8,plain,
    ! [A] :
      ( ~ a_vector_space(A)
      | basis_of(skolemFOFtoCNF_B(A),A) ),
    inference(clausify,[],[normalize_0_7]) ).

fof(normalize_0_9,plain,
    ! [S,T,V] :
      ( ~ basis_of(T,V)
      | ~ lin_ind_subset(S,V)
      | ? [U] :
          ( a_subset_of(U,T)
          & basis_of(union(S,U),V) ) ),
    inference(canonicalize,[],[bg_2_2_5]) ).

fof(normalize_0_10,plain,
    ! [S,T,V] :
      ( ~ basis_of(T,V)
      | ~ lin_ind_subset(S,V)
      | ? [U] :
          ( a_subset_of(U,T)
          & basis_of(union(S,U),V) ) ),
    inference(specialize,[],[normalize_0_9]) ).

fof(normalize_0_11,plain,
    ! [S,T,V] :
      ( ( ~ basis_of(T,V)
        | ~ lin_ind_subset(S,V)
        | a_subset_of(skolemFOFtoCNF_U(S,T,V),T) )
      & ( ~ basis_of(T,V)
        | ~ lin_ind_subset(S,V)
        | basis_of(union(S,skolemFOFtoCNF_U(S,T,V)),V) ) ),
    inference(clausify,[],[normalize_0_10]) ).

fof(normalize_0_12,plain,
    ! [S,T,V] :
      ( ~ basis_of(T,V)
      | ~ lin_ind_subset(S,V)
      | basis_of(union(S,skolemFOFtoCNF_U(S,T,V)),V) ),
    inference(conjunct,[],[normalize_0_11]) ).

fof(normalize_0_13,plain,
    a_vector_subspace_of(skolemFOFtoCNF_W,skolemFOFtoCNF_V),
    inference(conjunct,[],[normalize_0_1]) ).

fof(normalize_0_14,plain,
    ! [A] :
      ( a_vector_space(A)
      | ! [B] : ~ a_vector_subspace_of(A,B) ),
    inference(canonicalize,[],[bg_2_4_a]) ).

fof(normalize_0_15,plain,
    ! [A] :
      ( a_vector_space(A)
      | ! [B] : ~ a_vector_subspace_of(A,B) ),
    inference(specialize,[],[normalize_0_14]) ).

fof(normalize_0_16,plain,
    ! [A,B] :
      ( ~ a_vector_subspace_of(A,B)
      | a_vector_space(A) ),
    inference(clausify,[],[normalize_0_15]) ).

fof(normalize_0_17,plain,
    ! [B,V] :
      ( ~ basis_of(B,V)
      | ( a_subset_of(B,vec_to_class(V))
        & lin_ind_subset(B,V) ) ),
    inference(canonicalize,[],[basis_of]) ).

fof(normalize_0_18,plain,
    ! [B,V] :
      ( ~ basis_of(B,V)
      | ( a_subset_of(B,vec_to_class(V))
        & lin_ind_subset(B,V) ) ),
    inference(specialize,[],[normalize_0_17]) ).

fof(normalize_0_19,plain,
    ! [B,V] :
      ( ( ~ basis_of(B,V)
        | a_subset_of(B,vec_to_class(V)) )
      & ( ~ basis_of(B,V)
        | lin_ind_subset(B,V) ) ),
    inference(clausify,[],[normalize_0_18]) ).

fof(normalize_0_20,plain,
    ! [B,V] :
      ( ~ basis_of(B,V)
      | a_subset_of(B,vec_to_class(V)) ),
    inference(conjunct,[],[normalize_0_19]) ).

fof(normalize_0_21,plain,
    ! [E,V,W] :
      ( ~ a_subset_of(E,vec_to_class(W))
      | ~ a_vector_subspace_of(W,V)
      | ( ~ lin_ind_subset(E,V)
      <=> ~ lin_ind_subset(E,W) ) ),
    inference(canonicalize,[],[bg_2_4_2]) ).

fof(normalize_0_22,plain,
    ! [E,V,W] :
      ( ~ a_subset_of(E,vec_to_class(W))
      | ~ a_vector_subspace_of(W,V)
      | ( ~ lin_ind_subset(E,V)
      <=> ~ lin_ind_subset(E,W) ) ),
    inference(specialize,[],[normalize_0_21]) ).

fof(normalize_0_23,plain,
    ! [E,V,W] :
      ( ( ~ a_subset_of(E,vec_to_class(W))
        | ~ a_vector_subspace_of(W,V)
        | ~ lin_ind_subset(E,V)
        | lin_ind_subset(E,W) )
      & ( ~ a_subset_of(E,vec_to_class(W))
        | ~ a_vector_subspace_of(W,V)
        | ~ lin_ind_subset(E,W)
        | lin_ind_subset(E,V) ) ),
    inference(clausify,[],[normalize_0_22]) ).

fof(normalize_0_24,plain,
    ! [E,V,W] :
      ( ~ a_subset_of(E,vec_to_class(W))
      | ~ a_vector_subspace_of(W,V)
      | ~ lin_ind_subset(E,W)
      | lin_ind_subset(E,V) ),
    inference(conjunct,[],[normalize_0_23]) ).

fof(normalize_0_25,plain,
    ! [B,V] :
      ( ~ basis_of(B,V)
      | lin_ind_subset(B,V) ),
    inference(conjunct,[],[normalize_0_19]) ).

cnf(refute_0_0,plain,
    ( ~ basis_of(E,skolemFOFtoCNF_W)
    | ~ basis_of(union(E,F),skolemFOFtoCNF_V) ),
    inference(canonicalize,[],[normalize_0_4]) ).

cnf(refute_0_1,plain,
    ( ~ basis_of(skolemFOFtoCNF_B(skolemFOFtoCNF_W),skolemFOFtoCNF_W)
    | ~ basis_of(union(skolemFOFtoCNF_B(skolemFOFtoCNF_W),skolemFOFtoCNF_U(skolemFOFtoCNF_B(skolemFOFtoCNF_W),skolemFOFtoCNF_B(skolemFOFtoCNF_V),skolemFOFtoCNF_V)),skolemFOFtoCNF_V) ),
    inference(subst,[],[refute_0_0:[bind(E,$fot(skolemFOFtoCNF_B(skolemFOFtoCNF_W))),bind(F,$fot(skolemFOFtoCNF_U(skolemFOFtoCNF_B(skolemFOFtoCNF_W),skolemFOFtoCNF_B(skolemFOFtoCNF_V),skolemFOFtoCNF_V)))]]) ).

cnf(refute_0_2,plain,
    a_vector_space(skolemFOFtoCNF_V),
    inference(canonicalize,[],[normalize_0_5]) ).

cnf(refute_0_3,plain,
    ( ~ a_vector_space(A)
    | basis_of(skolemFOFtoCNF_B(A),A) ),
    inference(canonicalize,[],[normalize_0_8]) ).

cnf(refute_0_4,plain,
    ( ~ a_vector_space(skolemFOFtoCNF_V)
    | basis_of(skolemFOFtoCNF_B(skolemFOFtoCNF_V),skolemFOFtoCNF_V) ),
    inference(subst,[],[refute_0_3:[bind(A,$fot(skolemFOFtoCNF_V))]]) ).

cnf(refute_0_5,plain,
    basis_of(skolemFOFtoCNF_B(skolemFOFtoCNF_V),skolemFOFtoCNF_V),
    inference(resolve,[$cnf( a_vector_space(skolemFOFtoCNF_V) )],[refute_0_2,refute_0_4]) ).

cnf(refute_0_6,plain,
    ( ~ basis_of(T,V)
    | ~ lin_ind_subset(S,V)
    | basis_of(union(S,skolemFOFtoCNF_U(S,T,V)),V) ),
    inference(canonicalize,[],[normalize_0_12]) ).

cnf(refute_0_7,plain,
    ( ~ basis_of(skolemFOFtoCNF_B(skolemFOFtoCNF_V),skolemFOFtoCNF_V)
    | ~ lin_ind_subset(X_16,skolemFOFtoCNF_V)
    | basis_of(union(X_16,skolemFOFtoCNF_U(X_16,skolemFOFtoCNF_B(skolemFOFtoCNF_V),skolemFOFtoCNF_V)),skolemFOFtoCNF_V) ),
    inference(subst,[],[refute_0_6:[bind(S,$fot(X_16)),bind(T,$fot(skolemFOFtoCNF_B(skolemFOFtoCNF_V))),bind(V,$fot(skolemFOFtoCNF_V))]]) ).

cnf(refute_0_8,plain,
    ( ~ lin_ind_subset(X_16,skolemFOFtoCNF_V)
    | basis_of(union(X_16,skolemFOFtoCNF_U(X_16,skolemFOFtoCNF_B(skolemFOFtoCNF_V),skolemFOFtoCNF_V)),skolemFOFtoCNF_V) ),
    inference(resolve,[$cnf( basis_of(skolemFOFtoCNF_B(skolemFOFtoCNF_V),skolemFOFtoCNF_V) )],[refute_0_5,refute_0_7]) ).

cnf(refute_0_9,plain,
    ( ~ lin_ind_subset(skolemFOFtoCNF_B(skolemFOFtoCNF_W),skolemFOFtoCNF_V)
    | basis_of(union(skolemFOFtoCNF_B(skolemFOFtoCNF_W),skolemFOFtoCNF_U(skolemFOFtoCNF_B(skolemFOFtoCNF_W),skolemFOFtoCNF_B(skolemFOFtoCNF_V),skolemFOFtoCNF_V)),skolemFOFtoCNF_V) ),
    inference(subst,[],[refute_0_8:[bind(X_16,$fot(skolemFOFtoCNF_B(skolemFOFtoCNF_W)))]]) ).

cnf(refute_0_10,plain,
    a_vector_subspace_of(skolemFOFtoCNF_W,skolemFOFtoCNF_V),
    inference(canonicalize,[],[normalize_0_13]) ).

cnf(refute_0_11,plain,
    ( ~ a_vector_space(skolemFOFtoCNF_W)
    | basis_of(skolemFOFtoCNF_B(skolemFOFtoCNF_W),skolemFOFtoCNF_W) ),
    inference(subst,[],[refute_0_3:[bind(A,$fot(skolemFOFtoCNF_W))]]) ).

cnf(refute_0_12,plain,
    ( ~ a_vector_subspace_of(A,B)
    | a_vector_space(A) ),
    inference(canonicalize,[],[normalize_0_16]) ).

cnf(refute_0_13,plain,
    ( ~ a_vector_subspace_of(skolemFOFtoCNF_W,skolemFOFtoCNF_V)
    | a_vector_space(skolemFOFtoCNF_W) ),
    inference(subst,[],[refute_0_12:[bind(A,$fot(skolemFOFtoCNF_W)),bind(B,$fot(skolemFOFtoCNF_V))]]) ).

cnf(refute_0_14,plain,
    a_vector_space(skolemFOFtoCNF_W),
    inference(resolve,[$cnf( a_vector_subspace_of(skolemFOFtoCNF_W,skolemFOFtoCNF_V) )],[refute_0_10,refute_0_13]) ).

cnf(refute_0_15,plain,
    basis_of(skolemFOFtoCNF_B(skolemFOFtoCNF_W),skolemFOFtoCNF_W),
    inference(resolve,[$cnf( a_vector_space(skolemFOFtoCNF_W) )],[refute_0_14,refute_0_11]) ).

cnf(refute_0_16,plain,
    ( ~ basis_of(B,V)
    | a_subset_of(B,vec_to_class(V)) ),
    inference(canonicalize,[],[normalize_0_20]) ).

cnf(refute_0_17,plain,
    ( ~ basis_of(skolemFOFtoCNF_B(skolemFOFtoCNF_W),skolemFOFtoCNF_W)
    | a_subset_of(skolemFOFtoCNF_B(skolemFOFtoCNF_W),vec_to_class(skolemFOFtoCNF_W)) ),
    inference(subst,[],[refute_0_16:[bind(B,$fot(skolemFOFtoCNF_B(skolemFOFtoCNF_W))),bind(V,$fot(skolemFOFtoCNF_W))]]) ).

cnf(refute_0_18,plain,
    a_subset_of(skolemFOFtoCNF_B(skolemFOFtoCNF_W),vec_to_class(skolemFOFtoCNF_W)),
    inference(resolve,[$cnf( basis_of(skolemFOFtoCNF_B(skolemFOFtoCNF_W),skolemFOFtoCNF_W) )],[refute_0_15,refute_0_17]) ).

cnf(refute_0_19,plain,
    ( ~ a_subset_of(E,vec_to_class(W))
    | ~ a_vector_subspace_of(W,V)
    | ~ lin_ind_subset(E,W)
    | lin_ind_subset(E,V) ),
    inference(canonicalize,[],[normalize_0_24]) ).

cnf(refute_0_20,plain,
    ( ~ a_subset_of(skolemFOFtoCNF_B(skolemFOFtoCNF_W),vec_to_class(skolemFOFtoCNF_W))
    | ~ a_vector_subspace_of(skolemFOFtoCNF_W,X_31)
    | ~ lin_ind_subset(skolemFOFtoCNF_B(skolemFOFtoCNF_W),skolemFOFtoCNF_W)
    | lin_ind_subset(skolemFOFtoCNF_B(skolemFOFtoCNF_W),X_31) ),
    inference(subst,[],[refute_0_19:[bind(E,$fot(skolemFOFtoCNF_B(skolemFOFtoCNF_W))),bind(V,$fot(X_31)),bind(W,$fot(skolemFOFtoCNF_W))]]) ).

cnf(refute_0_21,plain,
    ( ~ a_vector_subspace_of(skolemFOFtoCNF_W,X_31)
    | ~ lin_ind_subset(skolemFOFtoCNF_B(skolemFOFtoCNF_W),skolemFOFtoCNF_W)
    | lin_ind_subset(skolemFOFtoCNF_B(skolemFOFtoCNF_W),X_31) ),
    inference(resolve,[$cnf( a_subset_of(skolemFOFtoCNF_B(skolemFOFtoCNF_W),vec_to_class(skolemFOFtoCNF_W)) )],[refute_0_18,refute_0_20]) ).

cnf(refute_0_22,plain,
    ( ~ basis_of(B,V)
    | lin_ind_subset(B,V) ),
    inference(canonicalize,[],[normalize_0_25]) ).

cnf(refute_0_23,plain,
    ( ~ basis_of(skolemFOFtoCNF_B(skolemFOFtoCNF_W),skolemFOFtoCNF_W)
    | lin_ind_subset(skolemFOFtoCNF_B(skolemFOFtoCNF_W),skolemFOFtoCNF_W) ),
    inference(subst,[],[refute_0_22:[bind(B,$fot(skolemFOFtoCNF_B(skolemFOFtoCNF_W))),bind(V,$fot(skolemFOFtoCNF_W))]]) ).

cnf(refute_0_24,plain,
    lin_ind_subset(skolemFOFtoCNF_B(skolemFOFtoCNF_W),skolemFOFtoCNF_W),
    inference(resolve,[$cnf( basis_of(skolemFOFtoCNF_B(skolemFOFtoCNF_W),skolemFOFtoCNF_W) )],[refute_0_15,refute_0_23]) ).

cnf(refute_0_25,plain,
    ( ~ a_vector_subspace_of(skolemFOFtoCNF_W,X_31)
    | lin_ind_subset(skolemFOFtoCNF_B(skolemFOFtoCNF_W),X_31) ),
    inference(resolve,[$cnf( lin_ind_subset(skolemFOFtoCNF_B(skolemFOFtoCNF_W),skolemFOFtoCNF_W) )],[refute_0_24,refute_0_21]) ).

cnf(refute_0_26,plain,
    ( ~ a_vector_subspace_of(skolemFOFtoCNF_W,skolemFOFtoCNF_V)
    | lin_ind_subset(skolemFOFtoCNF_B(skolemFOFtoCNF_W),skolemFOFtoCNF_V) ),
    inference(subst,[],[refute_0_25:[bind(X_31,$fot(skolemFOFtoCNF_V))]]) ).

cnf(refute_0_27,plain,
    lin_ind_subset(skolemFOFtoCNF_B(skolemFOFtoCNF_W),skolemFOFtoCNF_V),
    inference(resolve,[$cnf( a_vector_subspace_of(skolemFOFtoCNF_W,skolemFOFtoCNF_V) )],[refute_0_10,refute_0_26]) ).

cnf(refute_0_28,plain,
    basis_of(union(skolemFOFtoCNF_B(skolemFOFtoCNF_W),skolemFOFtoCNF_U(skolemFOFtoCNF_B(skolemFOFtoCNF_W),skolemFOFtoCNF_B(skolemFOFtoCNF_V),skolemFOFtoCNF_V)),skolemFOFtoCNF_V),
    inference(resolve,[$cnf( lin_ind_subset(skolemFOFtoCNF_B(skolemFOFtoCNF_W),skolemFOFtoCNF_V) )],[refute_0_27,refute_0_9]) ).

cnf(refute_0_29,plain,
    ~ basis_of(skolemFOFtoCNF_B(skolemFOFtoCNF_W),skolemFOFtoCNF_W),
    inference(resolve,[$cnf( basis_of(union(skolemFOFtoCNF_B(skolemFOFtoCNF_W),skolemFOFtoCNF_U(skolemFOFtoCNF_B(skolemFOFtoCNF_W),skolemFOFtoCNF_B(skolemFOFtoCNF_V),skolemFOFtoCNF_V)),skolemFOFtoCNF_V) )],[refute_0_28,refute_0_1]) ).

cnf(refute_0_30,plain,
    $false,
    inference(resolve,[$cnf( basis_of(skolemFOFtoCNF_B(skolemFOFtoCNF_W),skolemFOFtoCNF_W) )],[refute_0_15,refute_0_29]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.11  % Problem  : ALG211+1 : TPTP v8.1.0. Released v3.1.0.
% 0.10/0.12  % Command  : metis --show proof --show saturation %s
% 0.12/0.33  % Computer : n017.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 : Wed Jun  8 05:59:18 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.12/0.33  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.18/0.54  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.18/0.54  
% 0.18/0.54  % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 0.18/0.54  
%------------------------------------------------------------------------------