TSTP Solution File: GEO219+2 by Metis---2.4

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%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : GEO219+2 : TPTP v8.1.0. Released v3.3.0.
% 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 : Sat Jul 16 05:25:32 EDT 2022

% Result   : Theorem 0.12s 0.40s
% Output   : CNFRefutation 0.12s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   20
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   54 (  16 unt;   0 def)
%            Number of atoms       :  145 (   0 equ)
%            Maximal formula atoms :   16 (   2 avg)
%            Number of connectives :  155 (  64   ~;  70   |;  16   &)
%                                         (   0 <=>;   5  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   4 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    3 (   3 usr;   3 con; 0-0 aty)
%            Number of variables   :   72 (   0 sgn  45   !;   3   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(apart3,axiom,
    ! [X] : ~ convergent_lines(X,X) ).

fof(apart6,axiom,
    ! [X,Y,Z] :
      ( convergent_lines(X,Y)
     => ( convergent_lines(X,Z)
        | convergent_lines(Y,Z) ) ) ).

fof(coipo1,axiom,
    ! [L,M] :
      ~ ( ~ convergent_lines(L,M)
        & ~ unorthogonal_lines(L,M) ) ).

fof(cotno1,axiom,
    ! [L,M,N] :
      ( ( ( ~ convergent_lines(L,M)
          | ~ unorthogonal_lines(L,M) )
        & ( ~ convergent_lines(L,N)
          | ~ unorthogonal_lines(L,N) ) )
     => ( ~ convergent_lines(M,N)
        | ~ unorthogonal_lines(M,N) ) ) ).

fof(con,conjecture,
    ! [L,M,N] :
      ( ( ~ unorthogonal_lines(L,M)
        & ~ convergent_lines(L,N) )
     => ~ unorthogonal_lines(M,N) ) ).

fof(subgoal_0,plain,
    ! [L,M,N] :
      ( ( ~ unorthogonal_lines(L,M)
        & ~ convergent_lines(L,N) )
     => ~ unorthogonal_lines(M,N) ),
    inference(strip,[],[con]) ).

fof(negate_0_0,plain,
    ~ ! [L,M,N] :
        ( ( ~ unorthogonal_lines(L,M)
          & ~ convergent_lines(L,N) )
       => ~ unorthogonal_lines(M,N) ),
    inference(negate,[],[subgoal_0]) ).

fof(normalize_0_0,plain,
    ? [L,M,N] :
      ( ~ convergent_lines(L,N)
      & ~ unorthogonal_lines(L,M)
      & unorthogonal_lines(M,N) ),
    inference(canonicalize,[],[negate_0_0]) ).

fof(normalize_0_1,plain,
    ( ~ convergent_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_N)
    & ~ unorthogonal_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_M)
    & unorthogonal_lines(skolemFOFtoCNF_M,skolemFOFtoCNF_N) ),
    inference(skolemize,[],[normalize_0_0]) ).

fof(normalize_0_2,plain,
    ~ unorthogonal_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_M),
    inference(conjunct,[],[normalize_0_1]) ).

fof(normalize_0_3,plain,
    unorthogonal_lines(skolemFOFtoCNF_M,skolemFOFtoCNF_N),
    inference(conjunct,[],[normalize_0_1]) ).

fof(normalize_0_4,plain,
    ! [L,M,N] :
      ( ~ convergent_lines(M,N)
      | ~ unorthogonal_lines(M,N)
      | ( convergent_lines(L,M)
        & unorthogonal_lines(L,M) )
      | ( convergent_lines(L,N)
        & unorthogonal_lines(L,N) ) ),
    inference(canonicalize,[],[cotno1]) ).

fof(normalize_0_5,plain,
    ! [L,M,N] :
      ( ~ convergent_lines(M,N)
      | ~ unorthogonal_lines(M,N)
      | ( convergent_lines(L,M)
        & unorthogonal_lines(L,M) )
      | ( convergent_lines(L,N)
        & unorthogonal_lines(L,N) ) ),
    inference(specialize,[],[normalize_0_4]) ).

fof(normalize_0_6,plain,
    ! [L,M,N] :
      ( ( ~ convergent_lines(M,N)
        | ~ unorthogonal_lines(M,N)
        | convergent_lines(L,M)
        | convergent_lines(L,N) )
      & ( ~ convergent_lines(M,N)
        | ~ unorthogonal_lines(M,N)
        | convergent_lines(L,M)
        | unorthogonal_lines(L,N) )
      & ( ~ convergent_lines(M,N)
        | ~ unorthogonal_lines(M,N)
        | convergent_lines(L,N)
        | unorthogonal_lines(L,M) )
      & ( ~ convergent_lines(M,N)
        | ~ unorthogonal_lines(M,N)
        | unorthogonal_lines(L,M)
        | unorthogonal_lines(L,N) ) ),
    inference(clausify,[],[normalize_0_5]) ).

fof(normalize_0_7,plain,
    ! [L,M,N] :
      ( ~ convergent_lines(M,N)
      | ~ unorthogonal_lines(M,N)
      | convergent_lines(L,N)
      | unorthogonal_lines(L,M) ),
    inference(conjunct,[],[normalize_0_6]) ).

fof(normalize_0_8,plain,
    ! [X] : ~ convergent_lines(X,X),
    inference(canonicalize,[],[apart3]) ).

fof(normalize_0_9,plain,
    ! [X] : ~ convergent_lines(X,X),
    inference(specialize,[],[normalize_0_8]) ).

fof(normalize_0_10,plain,
    ! [X,Y,Z] :
      ( ~ convergent_lines(X,Y)
      | convergent_lines(X,Z)
      | convergent_lines(Y,Z) ),
    inference(canonicalize,[],[apart6]) ).

fof(normalize_0_11,plain,
    ! [X,Y,Z] :
      ( ~ convergent_lines(X,Y)
      | convergent_lines(X,Z)
      | convergent_lines(Y,Z) ),
    inference(specialize,[],[normalize_0_10]) ).

fof(normalize_0_12,plain,
    ! [L,M] :
      ( convergent_lines(L,M)
      | unorthogonal_lines(L,M) ),
    inference(canonicalize,[],[coipo1]) ).

fof(normalize_0_13,plain,
    ! [L,M] :
      ( convergent_lines(L,M)
      | unorthogonal_lines(L,M) ),
    inference(specialize,[],[normalize_0_12]) ).

fof(normalize_0_14,plain,
    ! [L,M,N] :
      ( ~ convergent_lines(M,N)
      | ~ unorthogonal_lines(M,N)
      | convergent_lines(L,M)
      | convergent_lines(L,N) ),
    inference(conjunct,[],[normalize_0_6]) ).

fof(normalize_0_15,plain,
    ~ convergent_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_N),
    inference(conjunct,[],[normalize_0_1]) ).

cnf(refute_0_0,plain,
    ~ unorthogonal_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_M),
    inference(canonicalize,[],[normalize_0_2]) ).

cnf(refute_0_1,plain,
    unorthogonal_lines(skolemFOFtoCNF_M,skolemFOFtoCNF_N),
    inference(canonicalize,[],[normalize_0_3]) ).

cnf(refute_0_2,plain,
    ( ~ convergent_lines(M,N)
    | ~ unorthogonal_lines(M,N)
    | convergent_lines(L,N)
    | unorthogonal_lines(L,M) ),
    inference(canonicalize,[],[normalize_0_7]) ).

cnf(refute_0_3,plain,
    ( ~ convergent_lines(skolemFOFtoCNF_M,skolemFOFtoCNF_N)
    | ~ unorthogonal_lines(skolemFOFtoCNF_M,skolemFOFtoCNF_N)
    | convergent_lines(X_135,skolemFOFtoCNF_N)
    | unorthogonal_lines(X_135,skolemFOFtoCNF_M) ),
    inference(subst,[],[refute_0_2:[bind(L,$fot(X_135)),bind(M,$fot(skolemFOFtoCNF_M)),bind(N,$fot(skolemFOFtoCNF_N))]]) ).

cnf(refute_0_4,plain,
    ( ~ convergent_lines(skolemFOFtoCNF_M,skolemFOFtoCNF_N)
    | convergent_lines(X_135,skolemFOFtoCNF_N)
    | unorthogonal_lines(X_135,skolemFOFtoCNF_M) ),
    inference(resolve,[$cnf( unorthogonal_lines(skolemFOFtoCNF_M,skolemFOFtoCNF_N) )],[refute_0_1,refute_0_3]) ).

cnf(refute_0_5,plain,
    ~ convergent_lines(X,X),
    inference(canonicalize,[],[normalize_0_9]) ).

cnf(refute_0_6,plain,
    ~ convergent_lines(skolemFOFtoCNF_N,skolemFOFtoCNF_N),
    inference(subst,[],[refute_0_5:[bind(X,$fot(skolemFOFtoCNF_N))]]) ).

cnf(refute_0_7,plain,
    ( ~ convergent_lines(X,Y)
    | convergent_lines(X,Z)
    | convergent_lines(Y,Z) ),
    inference(canonicalize,[],[normalize_0_11]) ).

cnf(refute_0_8,plain,
    ( ~ convergent_lines(skolemFOFtoCNF_N,skolemFOFtoCNF_M)
    | convergent_lines(skolemFOFtoCNF_M,Z)
    | convergent_lines(skolemFOFtoCNF_N,Z) ),
    inference(subst,[],[refute_0_7:[bind(X,$fot(skolemFOFtoCNF_N)),bind(Y,$fot(skolemFOFtoCNF_M))]]) ).

cnf(refute_0_9,plain,
    ( convergent_lines(L,M)
    | unorthogonal_lines(L,M) ),
    inference(canonicalize,[],[normalize_0_13]) ).

cnf(refute_0_10,plain,
    ( convergent_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_M)
    | unorthogonal_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_M) ),
    inference(subst,[],[refute_0_9:[bind(L,$fot(skolemFOFtoCNF_L)),bind(M,$fot(skolemFOFtoCNF_M))]]) ).

cnf(refute_0_11,plain,
    convergent_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_M),
    inference(resolve,[$cnf( unorthogonal_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_M) )],[refute_0_10,refute_0_0]) ).

cnf(refute_0_12,plain,
    ( ~ convergent_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_M)
    | convergent_lines(skolemFOFtoCNF_L,X_20)
    | convergent_lines(skolemFOFtoCNF_M,X_20) ),
    inference(subst,[],[refute_0_7:[bind(X,$fot(skolemFOFtoCNF_L)),bind(Y,$fot(skolemFOFtoCNF_M)),bind(Z,$fot(X_20))]]) ).

cnf(refute_0_13,plain,
    ( convergent_lines(skolemFOFtoCNF_L,X_20)
    | convergent_lines(skolemFOFtoCNF_M,X_20) ),
    inference(resolve,[$cnf( convergent_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_M) )],[refute_0_11,refute_0_12]) ).

cnf(refute_0_14,plain,
    ( convergent_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_N)
    | convergent_lines(skolemFOFtoCNF_M,skolemFOFtoCNF_N) ),
    inference(subst,[],[refute_0_13:[bind(X_20,$fot(skolemFOFtoCNF_N))]]) ).

cnf(refute_0_15,plain,
    ( ~ convergent_lines(M,N)
    | ~ unorthogonal_lines(M,N)
    | convergent_lines(L,M)
    | convergent_lines(L,N) ),
    inference(canonicalize,[],[normalize_0_14]) ).

cnf(refute_0_16,plain,
    ( ~ convergent_lines(skolemFOFtoCNF_M,skolemFOFtoCNF_N)
    | ~ unorthogonal_lines(skolemFOFtoCNF_M,skolemFOFtoCNF_N)
    | convergent_lines(X_102,skolemFOFtoCNF_M)
    | convergent_lines(X_102,skolemFOFtoCNF_N) ),
    inference(subst,[],[refute_0_15:[bind(L,$fot(X_102)),bind(M,$fot(skolemFOFtoCNF_M)),bind(N,$fot(skolemFOFtoCNF_N))]]) ).

cnf(refute_0_17,plain,
    ( ~ convergent_lines(skolemFOFtoCNF_M,skolemFOFtoCNF_N)
    | convergent_lines(X_102,skolemFOFtoCNF_M)
    | convergent_lines(X_102,skolemFOFtoCNF_N) ),
    inference(resolve,[$cnf( unorthogonal_lines(skolemFOFtoCNF_M,skolemFOFtoCNF_N) )],[refute_0_1,refute_0_16]) ).

cnf(refute_0_18,plain,
    ( ~ convergent_lines(skolemFOFtoCNF_M,skolemFOFtoCNF_N)
    | convergent_lines(X_105,skolemFOFtoCNF_M)
    | convergent_lines(X_105,skolemFOFtoCNF_N) ),
    inference(subst,[],[refute_0_17:[bind(X_102,$fot(X_105))]]) ).

cnf(refute_0_19,plain,
    ( convergent_lines(X_105,skolemFOFtoCNF_M)
    | convergent_lines(X_105,skolemFOFtoCNF_N)
    | convergent_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_N) ),
    inference(resolve,[$cnf( convergent_lines(skolemFOFtoCNF_M,skolemFOFtoCNF_N) )],[refute_0_14,refute_0_18]) ).

cnf(refute_0_20,plain,
    ~ convergent_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_N),
    inference(canonicalize,[],[normalize_0_15]) ).

cnf(refute_0_21,plain,
    ( convergent_lines(X_105,skolemFOFtoCNF_M)
    | convergent_lines(X_105,skolemFOFtoCNF_N) ),
    inference(resolve,[$cnf( convergent_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_N) )],[refute_0_19,refute_0_20]) ).

cnf(refute_0_22,plain,
    ( convergent_lines(skolemFOFtoCNF_N,skolemFOFtoCNF_M)
    | convergent_lines(skolemFOFtoCNF_N,skolemFOFtoCNF_N) ),
    inference(subst,[],[refute_0_21:[bind(X_105,$fot(skolemFOFtoCNF_N))]]) ).

cnf(refute_0_23,plain,
    convergent_lines(skolemFOFtoCNF_N,skolemFOFtoCNF_M),
    inference(resolve,[$cnf( convergent_lines(skolemFOFtoCNF_N,skolemFOFtoCNF_N) )],[refute_0_22,refute_0_6]) ).

cnf(refute_0_24,plain,
    ( convergent_lines(skolemFOFtoCNF_M,Z)
    | convergent_lines(skolemFOFtoCNF_N,Z) ),
    inference(resolve,[$cnf( convergent_lines(skolemFOFtoCNF_N,skolemFOFtoCNF_M) )],[refute_0_23,refute_0_8]) ).

cnf(refute_0_25,plain,
    ( convergent_lines(skolemFOFtoCNF_M,skolemFOFtoCNF_N)
    | convergent_lines(skolemFOFtoCNF_N,skolemFOFtoCNF_N) ),
    inference(subst,[],[refute_0_24:[bind(Z,$fot(skolemFOFtoCNF_N))]]) ).

cnf(refute_0_26,plain,
    convergent_lines(skolemFOFtoCNF_M,skolemFOFtoCNF_N),
    inference(resolve,[$cnf( convergent_lines(skolemFOFtoCNF_N,skolemFOFtoCNF_N) )],[refute_0_25,refute_0_6]) ).

cnf(refute_0_27,plain,
    ( convergent_lines(X_135,skolemFOFtoCNF_N)
    | unorthogonal_lines(X_135,skolemFOFtoCNF_M) ),
    inference(resolve,[$cnf( convergent_lines(skolemFOFtoCNF_M,skolemFOFtoCNF_N) )],[refute_0_26,refute_0_4]) ).

cnf(refute_0_28,plain,
    ( convergent_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_N)
    | unorthogonal_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_M) ),
    inference(subst,[],[refute_0_27:[bind(X_135,$fot(skolemFOFtoCNF_L))]]) ).

cnf(refute_0_29,plain,
    convergent_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_N),
    inference(resolve,[$cnf( unorthogonal_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_M) )],[refute_0_28,refute_0_0]) ).

cnf(refute_0_30,plain,
    $false,
    inference(resolve,[$cnf( convergent_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_N) )],[refute_0_29,refute_0_20]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.11  % Problem  : GEO219+2 : TPTP v8.1.0. Released v3.3.0.
% 0.11/0.12  % Command  : metis --show proof --show saturation %s
% 0.12/0.33  % Computer : n019.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 : Sat Jun 18 04:02:09 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.12/0.33  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.12/0.40  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.12/0.40  
% 0.12/0.40  % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 0.12/0.41  
%------------------------------------------------------------------------------