TPTP Problem File: SYN414+1.p
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% File : SYN414+1 : TPTP v9.0.0. Released v2.0.0.
% Domain : Syntactic
% Problem : Kalish and Montague Problem 265
% Version : Especial.
% English :
% Refs : [KM64] Kalish & Montegue (1964), Logic: Techniques of Formal
% : [Hah94] Haehnle (1994), Email to G. Sutcliffe
% Source : [Hah94]
% Names : kalish265 [Hah94]
% Status : CounterSatisfiable
% Rating : 0.00 v5.3.0, 0.08 v5.2.0, 0.00 v4.1.0, 0.17 v4.0.1, 0.00 v3.1.0, 0.17 v2.6.0, 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 &)
% ( 1 <=>; 2 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 7 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 3 ( 3 usr; 0 prp; 1-2 aty)
% Number of functors : 0 ( 0 usr; 0 con; --- aty)
% Number of variables : 6 ( 4 !; 2 ?)
% SPC : FOF_CSA_RFO_NEQ
% Comments :
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fof(kalish265,conjecture,
( ! [X] :
( ? [Y] :
( h(X,Y)
& f(Y) )
=> ? [Z] :
( h(X,Z)
& g(Z) ) )
<=> ! [U,V,W] :
( ( h(U,V)
& f(V) )
=> ( h(U,W)
& g(W) ) ) ) ).
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