TPTP Problem File: ARI702=1.p

View Solutions - Solve Problem

%------------------------------------------------------------------------------
% File     : ARI702=1 : TPTP v7.4.0. Released v6.3.0.
% Domain   : Arithmetic
% Problem  : Solve a simple system of nonlinear equations
% Version  : Especial.
% English  :

% Refs     : [BHS07] Beckert et al. (2007), Verification of Object-Oriented
%          : [Rue14] Ruemmer (2014), Email to Geoff Sutcliffe
% Source   : [Rue14]
% Names    : simplify25.pri [BHS07]
%          : poly_simplify25.p [Rue14]

% Status   : Theorem
% Rating   : 0.30 v7.4.0, 0.25 v7.3.0, 0.17 v7.0.0, 0.43 v6.4.0, 0.33 v6.3.0
% Syntax   : Number of formulae    :    9 (   4 unit;   5 type)
%            Number of atoms       :    4 (   4 equality)
%            Maximal formula depth :    2 (   2 average)
%            Number of connectives :    0 (   0   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%                                         (   0  ~|;   0  ~&)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of predicates  :    7 (   6 propositional; 0-2 arity)
%            Number of functors    :    8 (   7 constant; 0-2 arity)
%            Number of variables   :    0 (   0 sgn;   0   !;   0   ?)
%                                         (   0   :;   0  !>;   0  ?*)
%            Maximal term depth    :    3 (   2 average)
%            Arithmetic symbols    :    3 (   0 prd;   1 fun;   2 num;   0 var)
% SPC      : TF0_THM_EQU_ARI

% Comments : KeY arithmetic regression test, http://www.key-project.org
%------------------------------------------------------------------------------
tff(x_type,type,(
    x: $int )).

tff(y_type,type,(
    y: $int )).

tff(a_type,type,(
    a: $int )).

tff(z_type,type,(
    z: $int )).

tff(b_type,type,(
    b: $int )).

tff(eq1,axiom,(
    $product($product(2,x),y) = a )).

tff(eq2,axiom,(
    $product($product(2,y),z) = b )).

tff(eq3,axiom,(
    $product(a,z) = 2 )).

tff(conj,conjecture,(
    $product($product(x,y),z) = 1 )).

%------------------------------------------------------------------------------