TPTP Problem File: GEO224+1.p
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%------------------------------------------------------------------------------
% File : GEO224+1 : TPTP v9.0.0. Released v3.3.0.
% Domain : Geometry (Constructive)
% Problem : Find point incident to line
% Version : [vPl95] axioms : 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
% : [ROK06] Raths et al. (2006), The ILTP Problem Library for Intu
% Source : [ILTP]
% Names : Problem 9.1 [vPl95]
% Status : CounterSatisfiable
% Rating : 0.40 v9.0.0, 0.33 v8.2.0, 0.00 v7.4.0, 0.33 v7.3.0, 0.00 v7.0.0, 0.33 v6.4.0, 0.00 v6.2.0, 0.22 v6.1.0, 0.10 v6.0.0, 0.00 v5.5.0, 0.29 v5.4.0, 0.73 v5.3.0, 0.77 v5.2.0, 0.62 v5.0.0, 0.56 v4.1.0, 0.33 v4.0.1, 0.67 v3.7.0, 0.33 v3.5.0, 0.00 v3.4.0, 0.50 v3.3.0
% Syntax : Number of formulae : 27 ( 7 unt; 0 def)
% Number of atoms : 74 ( 0 equ)
% Maximal formula atoms : 6 ( 2 avg)
% Number of connectives : 59 ( 12 ~; 16 |; 12 &)
% ( 0 <=>; 19 =>; 0 <=; 0 <~>)
% Maximal formula depth : 9 ( 5 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 8 ( 8 usr; 0 prp; 1-2 aty)
% Number of functors : 4 ( 4 usr; 0 con; 2-2 aty)
% Number of variables : 64 ( 63 !; 1 ?)
% SPC : FOF_CSA_RFO_NEQ
% Comments : Definitions unfolded, hence Especial.
%------------------------------------------------------------------------------
include('Axioms/GEO006+0.ax').
include('Axioms/GEO006+2.ax').
include('Axioms/GEO006+3.ax').
include('Axioms/GEO006+5.ax').
%------------------------------------------------------------------------------
fof(con,conjecture,
! [X,Y] :
( ( point(X)
& line(Y) )
=> ? [Z] :
( point(Z)
& ~ apt(Z,Y) ) ) ).
%------------------------------------------------------------------------------