%------------------------------------------------------------------------------
% File     : SEU036+1 : TPTP v8.2.0. Released v3.2.0.
% Domain   : Set theory
% Problem  : Functions and their basic properties, theorem 70
% Version  : [Urb06] axioms : Especial.
% English  :

% Refs     : [Byl90] Bylinski (1990), Functions and Their Basic Properties
%          : [Urb06] Urban (2006), Email to G. Sutcliffe
% Source   : [Urb06]
% Names    : funct_1__t70_funct_1 [Urb06]

% Status   : Theorem
% Rating   : 0.21 v3.2.0
% Syntax   : Number of formulae    :   39 (   9 unit)
%            Number of atoms       :   96 (   9 equality)
%            Maximal formula depth :   10 (   4 average)
%            Number of connectives :   69 (  12 ~  ;   1  |;  34  &)
%                                         (   2 <=>;  20 =>;   0 <=)
%                                         (   0 <~>;   0 ~|;   0 ~&)
%            Number of predicates  :    9 (   0 propositional; 1-2 arity)
%            Number of functors    :    6 (   1 constant; 0-2 arity)
%            Number of variables   :   61 (   2 singleton;  50 !;  11 ?)
%            Maximal term depth    :    3 (   1 average)

% Comments : Translated by MPTP 0.2 from the original problem in the Mizar
%            library, www.mizar.org
% Bugfixes : v3.4.0 - Renamed to SEU223+3
%------------------------------------------------------------------------------