TPTP Problem File: SYN411+1.p
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% File : SYN411+1 : TPTP v8.2.0. Released v2.0.0.
% Domain : Syntactic
% Problem : Kalish and Montague Problem 250
% Version : Especial.
% English :
% Refs : [KM64] Kalish & Montegue (1964), Logic: Techniques of Formal
% : [Hah94] Haehnle (1994), Email to G. Sutcliffe
% Source : [Hah94]
% Names : kalish250 [Hah94]
% Status : Theorem
% Rating : 0.00 v5.3.0, 0.09 v5.2.0, 0.00 v4.0.1, 0.05 v3.7.0, 0.00 v2.3.0, 0.33 v2.2.1, 0.00 v2.1.0
% Syntax : Number of formulae : 1 ( 0 unt; 0 def)
% Number of atoms : 2 ( 0 equ)
% Maximal formula atoms : 2 ( 2 avg)
% Number of connectives : 3 ( 2 ~; 0 |; 0 &)
% ( 1 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 7 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 1 ( 1 usr; 0 prp; 3-3 aty)
% Number of functors : 0 ( 0 usr; 0 con; --- aty)
% Number of variables : 6 ( 3 !; 3 ?)
% SPC : FOF_THM_EPR_NEQ
% Comments :
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fof(kalish250,conjecture,
( ! [X,Y,Z] : f(X,Y,Z)
<=> ~ ? [U,V,W] : ~ f(U,V,W) ) ).
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