TSTP Solution File: GEO215+2 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : GEO215+2 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n028.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 05:25:29 EDT 2022

% Result   : Theorem 0.73s 0.90s
% Output   : CNFRefutation 0.73s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   18
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   67 (  21 unt;   0 def)
%            Number of atoms       :  161 (   0 equ)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :  154 (  60   ~;  77   |;   9   &)
%                                         (   0 <=>;   8  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    6 (   5 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   3 con; 0-2 aty)
%            Number of variables   :  101 (   0 sgn  60   !;   3   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(apart1,axiom,
    ! [X] : ~ distinct_points(X,X) ).

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(con2,axiom,
    ! [X,Y,Z] :
      ( convergent_lines(X,Y)
     => ( ( apart_point_and_line(Z,X)
          | apart_point_and_line(Z,Y) )
       => distinct_points(Z,intersection_point(X,Y)) ) ) ).

fof(ceq3,axiom,
    ! [X,Y] :
      ( convergent_lines(X,Y)
     => distinct_lines(X,Y) ) ).

fof(ouo1,axiom,
    ! [A,L,M,N] :
      ( distinct_lines(L,M)
     => ( apart_point_and_line(A,L)
        | apart_point_and_line(A,M)
        | unorthogonal_lines(L,N)
        | unorthogonal_lines(M,N) ) ) ).

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

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

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

fof(normalize_0_0,plain,
    ! [X,Y,Z] :
      ( ~ convergent_lines(X,Y)
      | convergent_lines(X,Z)
      | convergent_lines(Y,Z) ),
    inference(canonicalize,[],[apart6]) ).

fof(normalize_0_1,plain,
    ! [X,Y,Z] :
      ( ~ convergent_lines(X,Y)
      | convergent_lines(X,Z)
      | convergent_lines(Y,Z) ),
    inference(specialize,[],[normalize_0_0]) ).

fof(normalize_0_2,plain,
    ? [L,M,N] :
      ( ~ unorthogonal_lines(L,N)
      & ~ unorthogonal_lines(M,N)
      & convergent_lines(L,M) ),
    inference(canonicalize,[],[negate_0_0]) ).

fof(normalize_0_3,plain,
    ( ~ unorthogonal_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_N)
    & ~ unorthogonal_lines(skolemFOFtoCNF_M,skolemFOFtoCNF_N)
    & convergent_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_M) ),
    inference(skolemize,[],[normalize_0_2]) ).

fof(normalize_0_4,plain,
    convergent_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_M),
    inference(conjunct,[],[normalize_0_3]) ).

fof(normalize_0_5,plain,
    ! [X] : ~ convergent_lines(X,X),
    inference(canonicalize,[],[apart3]) ).

fof(normalize_0_6,plain,
    ! [X] : ~ convergent_lines(X,X),
    inference(specialize,[],[normalize_0_5]) ).

fof(normalize_0_7,plain,
    ! [X,Y,Z] :
      ( ~ convergent_lines(X,Y)
      | distinct_points(Z,intersection_point(X,Y))
      | ( ~ apart_point_and_line(Z,X)
        & ~ apart_point_and_line(Z,Y) ) ),
    inference(canonicalize,[],[con2]) ).

fof(normalize_0_8,plain,
    ! [X,Y,Z] :
      ( ~ convergent_lines(X,Y)
      | distinct_points(Z,intersection_point(X,Y))
      | ( ~ apart_point_and_line(Z,X)
        & ~ apart_point_and_line(Z,Y) ) ),
    inference(specialize,[],[normalize_0_7]) ).

fof(normalize_0_9,plain,
    ! [X,Y,Z] :
      ( ( ~ apart_point_and_line(Z,X)
        | ~ convergent_lines(X,Y)
        | distinct_points(Z,intersection_point(X,Y)) )
      & ( ~ apart_point_and_line(Z,Y)
        | ~ convergent_lines(X,Y)
        | distinct_points(Z,intersection_point(X,Y)) ) ),
    inference(clausify,[],[normalize_0_8]) ).

fof(normalize_0_10,plain,
    ! [X,Y,Z] :
      ( ~ apart_point_and_line(Z,Y)
      | ~ convergent_lines(X,Y)
      | distinct_points(Z,intersection_point(X,Y)) ),
    inference(conjunct,[],[normalize_0_9]) ).

fof(normalize_0_11,plain,
    ! [X] : ~ distinct_points(X,X),
    inference(canonicalize,[],[apart1]) ).

fof(normalize_0_12,plain,
    ! [X] : ~ distinct_points(X,X),
    inference(specialize,[],[normalize_0_11]) ).

fof(normalize_0_13,plain,
    ! [X,Y,Z] :
      ( ~ apart_point_and_line(Z,X)
      | ~ convergent_lines(X,Y)
      | distinct_points(Z,intersection_point(X,Y)) ),
    inference(conjunct,[],[normalize_0_9]) ).

fof(normalize_0_14,plain,
    ~ unorthogonal_lines(skolemFOFtoCNF_M,skolemFOFtoCNF_N),
    inference(conjunct,[],[normalize_0_3]) ).

fof(normalize_0_15,plain,
    ! [X,Y] :
      ( ~ convergent_lines(X,Y)
      | distinct_lines(X,Y) ),
    inference(canonicalize,[],[ceq3]) ).

fof(normalize_0_16,plain,
    ! [X,Y] :
      ( ~ convergent_lines(X,Y)
      | distinct_lines(X,Y) ),
    inference(specialize,[],[normalize_0_15]) ).

fof(normalize_0_17,plain,
    ! [A,L,M,N] :
      ( ~ distinct_lines(L,M)
      | apart_point_and_line(A,L)
      | apart_point_and_line(A,M)
      | unorthogonal_lines(L,N)
      | unorthogonal_lines(M,N) ),
    inference(canonicalize,[],[ouo1]) ).

fof(normalize_0_18,plain,
    ! [A,L,M,N] :
      ( ~ distinct_lines(L,M)
      | apart_point_and_line(A,L)
      | apart_point_and_line(A,M)
      | unorthogonal_lines(L,N)
      | unorthogonal_lines(M,N) ),
    inference(specialize,[],[normalize_0_17]) ).

fof(normalize_0_19,plain,
    ~ unorthogonal_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_N),
    inference(conjunct,[],[normalize_0_3]) ).

cnf(refute_0_0,plain,
    ( ~ convergent_lines(X,Y)
    | convergent_lines(X,Z)
    | convergent_lines(Y,Z) ),
    inference(canonicalize,[],[normalize_0_1]) ).

cnf(refute_0_1,plain,
    ( ~ convergent_lines(skolemFOFtoCNF_M,X_22)
    | convergent_lines(X_22,Z)
    | convergent_lines(skolemFOFtoCNF_M,Z) ),
    inference(subst,[],[refute_0_0:[bind(X,$fot(skolemFOFtoCNF_M)),bind(Y,$fot(X_22))]]) ).

cnf(refute_0_2,plain,
    convergent_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_M),
    inference(canonicalize,[],[normalize_0_4]) ).

cnf(refute_0_3,plain,
    ( ~ convergent_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_M)
    | convergent_lines(skolemFOFtoCNF_L,X_21)
    | convergent_lines(skolemFOFtoCNF_M,X_21) ),
    inference(subst,[],[refute_0_0:[bind(X,$fot(skolemFOFtoCNF_L)),bind(Y,$fot(skolemFOFtoCNF_M)),bind(Z,$fot(X_21))]]) ).

cnf(refute_0_4,plain,
    ( convergent_lines(skolemFOFtoCNF_L,X_21)
    | convergent_lines(skolemFOFtoCNF_M,X_21) ),
    inference(resolve,[$cnf( convergent_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_M) )],[refute_0_2,refute_0_3]) ).

cnf(refute_0_5,plain,
    ( convergent_lines(skolemFOFtoCNF_L,X_22)
    | convergent_lines(skolemFOFtoCNF_M,X_22) ),
    inference(subst,[],[refute_0_4:[bind(X_21,$fot(X_22))]]) ).

cnf(refute_0_6,plain,
    ( convergent_lines(X_22,Z)
    | convergent_lines(skolemFOFtoCNF_L,X_22)
    | convergent_lines(skolemFOFtoCNF_M,Z) ),
    inference(resolve,[$cnf( convergent_lines(skolemFOFtoCNF_M,X_22) )],[refute_0_5,refute_0_1]) ).

cnf(refute_0_7,plain,
    ( convergent_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_L)
    | convergent_lines(skolemFOFtoCNF_M,skolemFOFtoCNF_L) ),
    inference(subst,[],[refute_0_6:[bind(Z,$fot(skolemFOFtoCNF_L)),bind(X_22,$fot(skolemFOFtoCNF_L))]]) ).

cnf(refute_0_8,plain,
    ~ convergent_lines(X,X),
    inference(canonicalize,[],[normalize_0_6]) ).

cnf(refute_0_9,plain,
    ~ convergent_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_L),
    inference(subst,[],[refute_0_8:[bind(X,$fot(skolemFOFtoCNF_L))]]) ).

cnf(refute_0_10,plain,
    convergent_lines(skolemFOFtoCNF_M,skolemFOFtoCNF_L),
    inference(resolve,[$cnf( convergent_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_L) )],[refute_0_7,refute_0_9]) ).

cnf(refute_0_11,plain,
    ( ~ apart_point_and_line(Z,Y)
    | ~ convergent_lines(X,Y)
    | distinct_points(Z,intersection_point(X,Y)) ),
    inference(canonicalize,[],[normalize_0_10]) ).

cnf(refute_0_12,plain,
    ( ~ apart_point_and_line(X_93,skolemFOFtoCNF_L)
    | ~ convergent_lines(skolemFOFtoCNF_M,skolemFOFtoCNF_L)
    | distinct_points(X_93,intersection_point(skolemFOFtoCNF_M,skolemFOFtoCNF_L)) ),
    inference(subst,[],[refute_0_11:[bind(X,$fot(skolemFOFtoCNF_M)),bind(Y,$fot(skolemFOFtoCNF_L)),bind(Z,$fot(X_93))]]) ).

cnf(refute_0_13,plain,
    ( ~ apart_point_and_line(X_93,skolemFOFtoCNF_L)
    | distinct_points(X_93,intersection_point(skolemFOFtoCNF_M,skolemFOFtoCNF_L)) ),
    inference(resolve,[$cnf( convergent_lines(skolemFOFtoCNF_M,skolemFOFtoCNF_L) )],[refute_0_10,refute_0_12]) ).

cnf(refute_0_14,plain,
    ( ~ apart_point_and_line(intersection_point(skolemFOFtoCNF_M,skolemFOFtoCNF_L),skolemFOFtoCNF_L)
    | distinct_points(intersection_point(skolemFOFtoCNF_M,skolemFOFtoCNF_L),intersection_point(skolemFOFtoCNF_M,skolemFOFtoCNF_L)) ),
    inference(subst,[],[refute_0_13:[bind(X_93,$fot(intersection_point(skolemFOFtoCNF_M,skolemFOFtoCNF_L)))]]) ).

cnf(refute_0_15,plain,
    ~ distinct_points(X,X),
    inference(canonicalize,[],[normalize_0_12]) ).

cnf(refute_0_16,plain,
    ~ distinct_points(intersection_point(skolemFOFtoCNF_M,skolemFOFtoCNF_L),intersection_point(skolemFOFtoCNF_M,skolemFOFtoCNF_L)),
    inference(subst,[],[refute_0_15:[bind(X,$fot(intersection_point(skolemFOFtoCNF_M,skolemFOFtoCNF_L)))]]) ).

cnf(refute_0_17,plain,
    ( ~ apart_point_and_line(Z,X)
    | ~ convergent_lines(X,Y)
    | distinct_points(Z,intersection_point(X,Y)) ),
    inference(canonicalize,[],[normalize_0_13]) ).

cnf(refute_0_18,plain,
    ( ~ apart_point_and_line(X_108,skolemFOFtoCNF_M)
    | ~ convergent_lines(skolemFOFtoCNF_M,skolemFOFtoCNF_L)
    | distinct_points(X_108,intersection_point(skolemFOFtoCNF_M,skolemFOFtoCNF_L)) ),
    inference(subst,[],[refute_0_17:[bind(X,$fot(skolemFOFtoCNF_M)),bind(Y,$fot(skolemFOFtoCNF_L)),bind(Z,$fot(X_108))]]) ).

cnf(refute_0_19,plain,
    ( ~ apart_point_and_line(X_108,skolemFOFtoCNF_M)
    | distinct_points(X_108,intersection_point(skolemFOFtoCNF_M,skolemFOFtoCNF_L)) ),
    inference(resolve,[$cnf( convergent_lines(skolemFOFtoCNF_M,skolemFOFtoCNF_L) )],[refute_0_10,refute_0_18]) ).

cnf(refute_0_20,plain,
    ( ~ apart_point_and_line(X_799,skolemFOFtoCNF_M)
    | distinct_points(X_799,intersection_point(skolemFOFtoCNF_M,skolemFOFtoCNF_L)) ),
    inference(subst,[],[refute_0_19:[bind(X_108,$fot(X_799))]]) ).

cnf(refute_0_21,plain,
    ~ unorthogonal_lines(skolemFOFtoCNF_M,skolemFOFtoCNF_N),
    inference(canonicalize,[],[normalize_0_14]) ).

cnf(refute_0_22,plain,
    ( ~ convergent_lines(X,Y)
    | distinct_lines(X,Y) ),
    inference(canonicalize,[],[normalize_0_16]) ).

cnf(refute_0_23,plain,
    ( ~ convergent_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_M)
    | distinct_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_M) ),
    inference(subst,[],[refute_0_22:[bind(X,$fot(skolemFOFtoCNF_L)),bind(Y,$fot(skolemFOFtoCNF_M))]]) ).

cnf(refute_0_24,plain,
    distinct_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_M),
    inference(resolve,[$cnf( convergent_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_M) )],[refute_0_2,refute_0_23]) ).

cnf(refute_0_25,plain,
    ( ~ distinct_lines(L,M)
    | apart_point_and_line(A,L)
    | apart_point_and_line(A,M)
    | unorthogonal_lines(L,N)
    | unorthogonal_lines(M,N) ),
    inference(canonicalize,[],[normalize_0_18]) ).

cnf(refute_0_26,plain,
    ( ~ distinct_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_M)
    | apart_point_and_line(X_783,skolemFOFtoCNF_L)
    | apart_point_and_line(X_783,skolemFOFtoCNF_M)
    | unorthogonal_lines(skolemFOFtoCNF_L,X_786)
    | unorthogonal_lines(skolemFOFtoCNF_M,X_786) ),
    inference(subst,[],[refute_0_25:[bind(A,$fot(X_783)),bind(L,$fot(skolemFOFtoCNF_L)),bind(M,$fot(skolemFOFtoCNF_M)),bind(N,$fot(X_786))]]) ).

cnf(refute_0_27,plain,
    ( apart_point_and_line(X_783,skolemFOFtoCNF_L)
    | apart_point_and_line(X_783,skolemFOFtoCNF_M)
    | unorthogonal_lines(skolemFOFtoCNF_L,X_786)
    | unorthogonal_lines(skolemFOFtoCNF_M,X_786) ),
    inference(resolve,[$cnf( distinct_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_M) )],[refute_0_24,refute_0_26]) ).

cnf(refute_0_28,plain,
    ( apart_point_and_line(X_797,skolemFOFtoCNF_L)
    | apart_point_and_line(X_797,skolemFOFtoCNF_M)
    | unorthogonal_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_N)
    | unorthogonal_lines(skolemFOFtoCNF_M,skolemFOFtoCNF_N) ),
    inference(subst,[],[refute_0_27:[bind(X_783,$fot(X_797)),bind(X_786,$fot(skolemFOFtoCNF_N))]]) ).

cnf(refute_0_29,plain,
    ( apart_point_and_line(X_797,skolemFOFtoCNF_L)
    | apart_point_and_line(X_797,skolemFOFtoCNF_M)
    | unorthogonal_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_N) ),
    inference(resolve,[$cnf( unorthogonal_lines(skolemFOFtoCNF_M,skolemFOFtoCNF_N) )],[refute_0_28,refute_0_21]) ).

cnf(refute_0_30,plain,
    ~ unorthogonal_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_N),
    inference(canonicalize,[],[normalize_0_19]) ).

cnf(refute_0_31,plain,
    ( apart_point_and_line(X_797,skolemFOFtoCNF_L)
    | apart_point_and_line(X_797,skolemFOFtoCNF_M) ),
    inference(resolve,[$cnf( unorthogonal_lines(skolemFOFtoCNF_L,skolemFOFtoCNF_N) )],[refute_0_29,refute_0_30]) ).

cnf(refute_0_32,plain,
    ( apart_point_and_line(X_799,skolemFOFtoCNF_L)
    | apart_point_and_line(X_799,skolemFOFtoCNF_M) ),
    inference(subst,[],[refute_0_31:[bind(X_797,$fot(X_799))]]) ).

cnf(refute_0_33,plain,
    ( apart_point_and_line(X_799,skolemFOFtoCNF_L)
    | distinct_points(X_799,intersection_point(skolemFOFtoCNF_M,skolemFOFtoCNF_L)) ),
    inference(resolve,[$cnf( apart_point_and_line(X_799,skolemFOFtoCNF_M) )],[refute_0_32,refute_0_20]) ).

cnf(refute_0_34,plain,
    ( apart_point_and_line(intersection_point(skolemFOFtoCNF_M,skolemFOFtoCNF_L),skolemFOFtoCNF_L)
    | distinct_points(intersection_point(skolemFOFtoCNF_M,skolemFOFtoCNF_L),intersection_point(skolemFOFtoCNF_M,skolemFOFtoCNF_L)) ),
    inference(subst,[],[refute_0_33:[bind(X_799,$fot(intersection_point(skolemFOFtoCNF_M,skolemFOFtoCNF_L)))]]) ).

cnf(refute_0_35,plain,
    apart_point_and_line(intersection_point(skolemFOFtoCNF_M,skolemFOFtoCNF_L),skolemFOFtoCNF_L),
    inference(resolve,[$cnf( distinct_points(intersection_point(skolemFOFtoCNF_M,skolemFOFtoCNF_L),intersection_point(skolemFOFtoCNF_M,skolemFOFtoCNF_L)) )],[refute_0_34,refute_0_16]) ).

cnf(refute_0_36,plain,
    distinct_points(intersection_point(skolemFOFtoCNF_M,skolemFOFtoCNF_L),intersection_point(skolemFOFtoCNF_M,skolemFOFtoCNF_L)),
    inference(resolve,[$cnf( apart_point_and_line(intersection_point(skolemFOFtoCNF_M,skolemFOFtoCNF_L),skolemFOFtoCNF_L) )],[refute_0_35,refute_0_14]) ).

cnf(refute_0_37,plain,
    $false,
    inference(resolve,[$cnf( distinct_points(intersection_point(skolemFOFtoCNF_M,skolemFOFtoCNF_L),intersection_point(skolemFOFtoCNF_M,skolemFOFtoCNF_L)) )],[refute_0_36,refute_0_16]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : GEO215+2 : TPTP v8.1.0. Released v3.3.0.
% 0.12/0.13  % Command  : metis --show proof --show saturation %s
% 0.12/0.32  % Computer : n028.cluster.edu
% 0.12/0.32  % Model    : x86_64 x86_64
% 0.12/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.32  % Memory   : 8042.1875MB
% 0.12/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.32  % CPULimit : 300
% 0.12/0.32  % WCLimit  : 600
% 0.12/0.32  % DateTime : Sat Jun 18 14:12:59 EDT 2022
% 0.12/0.32  % CPUTime  : 
% 0.12/0.32  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.73/0.90  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.73/0.90  
% 0.73/0.90  % SZS output start CNFRefutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 0.73/0.90  
%------------------------------------------------------------------------------