TPTP Problem File: NUM408+1.rm
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%------------------------------------------------------------------------------
% File : NUM408+1 : TPTP v9.0.0. Released v3.2.0.
% Domain : Number Theory (Ordinals)
% Problem : Ordinal numbers, theorem 42
% Version : [Urb06] axioms : Especial.
% English :
% Refs : [Ban90] Bancerek (1990), The Ordinal Numbers
% [Urb06] Urban (2006), Email to G. Sutcliffe
% Source : [Urb06]
% Names : ordinal1__t42_ordinal1 [Urb06]
% Status : Theorem
% Rating : 0.58 v3.3.0, 0.64 v3.2.0
% Syntax : Number of formulae : 54 ( 12 unit)
% Number of atoms : 149 ( 9 equality)
% Maximal formula depth : 9 ( 4 average)
% Number of connectives : 116 ( 21 ~ ; 2 |; 59 &)
% ( 5 <=>; 29 =>; 0 <=)
% ( 0 <~>; 0 ~|; 0 ~&)
% Number of predicates : 16 ( 0 propositional; 1-2 arity)
% Number of functors : 5 ( 1 constant; 0-2 arity)
% Number of variables : 78 ( 3 singleton; 63 !; 15 ?)
% 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 SEU238+3
%------------------------------------------------------------------------------