%------------------------------------------------------------------------------
% File     : ARI126_1 : TPTP v9.0.0. Released v5.0.0.
% Domain   : Arithmetic
% Problem  : Integer: Product of something and itself is not 0
% Version  : Especial.
% English  :

% Refs     :
% Source   : [TPTP]
% Names    :

% Status   : CounterSatisfiable
% Rating   : 0.00 v7.3.0, 0.67 v7.1.0, 0.75 v7.0.0, 0.67 v6.3.0, 0.33 v6.1.0, 0.00 v6.0.0, 0.75 v5.4.0, 0.33 v5.2.0, 1.00 v5.0.0
% Syntax   : Number of formulae    :    1 (   0 unt;   0 typ;   0 def)
%            Number of atoms       :    2 (   2 equ)
%            Maximal formula atoms :    2 (   2 avg)
%            Number of connectives :    2 (   1   ~;   0   |;   1   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    4 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number arithmetic     :    4 (   0 atm;   1 fun;   2 num;   1 var)
%            Number of types       :    1 (   0 usr;   1 ari)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of predicates  :    1 (   0 usr;   0 prp; 2-2 aty)
%            Number of functors    :    2 (   0 usr;   1 con; 0-2 aty)
%            Number of variables   :    1 (   0   !;   1   ?;   1   :)
% SPC      : TF0_CSA_EQU_ARI

% Comments :
%------------------------------------------------------------------------------
tff(anti_product_what_what_0,conjecture,
    ? [X: $int] :
      ( ( X != 0 )
      & ( $product(X,X) = 0 ) ) ).

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