TPTP Problem File: SYN356+1.p
View Solutions
- Solve Problem
%--------------------------------------------------------------------------
% File : SYN356+1 : TPTP v8.2.0. Released v2.0.0.
% Domain : Syntactic
% Problem : Peter Andrews Problem X2107
% Version : Especial.
% English :
% Refs : [And86] Andrews (1986), An Introduction to Mathematical Logic
% : [And94] Andrews (1994), Email to G. Sutcliffe
% Source : [And94]
% Names : X2107 [And86]
% Status : Theorem
% Rating : 0.00 v5.3.0, 0.09 v5.2.0, 0.00 v2.1.0
% Syntax : Number of formulae : 1 ( 0 unt; 0 def)
% Number of atoms : 8 ( 0 equ)
% Maximal formula atoms : 8 ( 8 avg)
% Number of connectives : 7 ( 0 ~; 0 |; 4 &)
% ( 0 <=>; 3 =>; 0 <=; 0 <~>)
% Maximal formula depth : 8 ( 8 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 2 ( 2 usr; 0 prp; 2-2 aty)
% Number of functors : 2 ( 2 usr; 2 con; 0-0 aty)
% Number of variables : 4 ( 4 !; 0 ?)
% SPC : FOF_THM_EPR_NEQ
% Comments :
%--------------------------------------------------------------------------
fof(x2107,conjecture,
( ( big_r(a,b)
& ! [X,Y] :
( big_r(X,Y)
=> ( big_r(Y,X)
& big_q(X,Y) ) )
& ! [U,V] :
( big_q(U,V)
=> big_q(U,U) ) )
=> ( big_q(a,a)
& big_q(b,b) ) ) ).
%--------------------------------------------------------------------------