TPTP Problem File: GEO225+2.p
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%------------------------------------------------------------------------------
% File : GEO225+2 : TPTP v9.0.0. Released v3.3.0.
% Domain : Geometry (Constructive)
% Problem : Existence of line joining distinct points
% Version : [vPl95] axioms : Reduced > Especial.
% English : Assume orthogonal geometry. Given a point and a line, to find
% a point incident with the line.
% Refs : [vPl95] von Plato (1995), The Axioms of Constructive Geometry
% : [Li97] Li (1997), Replacing the Axioms for Connecting Lines a
% : [Li98] Li (1998), A Shorter and Intuitive Axiom to Replace th
% : [ROK06] Raths et al. (2006), The ILTP Problem Library for Intu
% Source : [ILTP]
% Names :
% Status : Theorem
% Rating : 0.13 v9.0.0, 0.06 v8.2.0, 0.07 v7.5.0, 0.10 v7.4.0, 0.12 v7.3.0, 0.00 v7.0.0, 0.07 v6.3.0, 0.15 v6.2.0, 0.00 v6.1.0, 0.04 v6.0.0, 0.00 v5.5.0, 0.12 v5.4.0, 0.09 v5.3.0, 0.17 v5.2.0, 0.21 v5.0.0, 0.10 v4.1.0, 0.11 v4.0.0, 0.10 v3.7.0, 0.00 v3.3.0
% Syntax : Number of formulae : 17 ( 3 unt; 0 def)
% Number of atoms : 54 ( 0 equ)
% Maximal formula atoms : 6 ( 3 avg)
% Number of connectives : 42 ( 5 ~; 9 |; 11 &)
% ( 0 <=>; 17 =>; 0 <=; 0 <~>)
% Maximal formula depth : 9 ( 6 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 6 ( 6 usr; 0 prp; 1-2 aty)
% Number of functors : 4 ( 4 usr; 0 con; 2-2 aty)
% Number of variables : 41 ( 40 !; 1 ?)
% SPC : FOF_THM_RFO_NEQ
% Comments : Definitions unfolded, hence Especial.
%------------------------------------------------------------------------------
include('Axioms/GEO008+0.ax').
include('Axioms/GEO006+5.ax').
%------------------------------------------------------------------------------
fof(con,conjecture,
! [A,B] :
( ( point(A)
& point(B)
& distinct_points(A,B) )
=> ? [X] :
( line(X)
=> ( ~ apart_point_and_line(A,X)
& ~ apart_point_and_line(B,X) ) ) ) ).
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