%------------------------------------------------------------------------------
% File     : QUA001^1 : TPTP v8.2.0. Released v4.1.0.
% Domain   : Quantales
% Problem  : Addition is associative
% Version  : [Hoe09] axioms.
% English  :

% Refs     : [Con71] Conway (1971), Regular Algebra and Finite Machines
%          : [Hoe09] Hoefner (2009), Email to Geoff Sutcliffe
% Source   : [Hoe09]
% Names    : QUA01 [Hoe09]

% Status   : Theorem
% Rating   : 1.00 v4.1.0
% Syntax   : Number of formulae    :   27 (  14 unt;  12 typ;   7 def)
%            Number of atoms       :   40 (  18 equ;   0 cnn)
%            Maximal formula atoms :    2 (   2 avg)
%            Number of connectives :   51 (   0   ~;   1   |;   4   &;  45   @)
%                                         (   1 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   2 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   43 (  43   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   15 (  13 usr;   4 con; 0-3 aty)
%            Number of variables   :   30 (  15   ^;  11   !;   4   ?;  30   :)
% SPC      : TH0_THM_EQU_NAR

% Comments : 
%------------------------------------------------------------------------------
%----Include axioms for Quantales
include('Axioms/QUA001^0.ax').
%------------------------------------------------------------------------------
thf(addition_asso,conjecture,
    ! [X1: $i,X2: $i,X3: $i] :
      ( ( addition @ ( addition @ X1 @ X2 ) @ X3 )
      = ( addition @ X1 @ ( addition @ X2 @ X3 ) ) ) ).

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