## TPTP Problem File: NUM021^1.p

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```%------------------------------------------------------------------------------
% File     : NUM021^1 : TPTP v7.2.0. Released v3.6.0.
% Domain   : Number Theory
% Problem  : Find operator o such that 2 o 3 = 5 and 1 o 2 = 3
% Version  : [Ben08] axioms : Especial.
% English  :

% Refs     : [Ben08] Benzmueller (2008), Email to G. Sutcliffe
% Source   : [Ben08]
% Names    : CHURCH_NUM_7 [Ben08]

% Status   : Theorem
% Rating   : 0.89 v7.2.0, 0.88 v7.0.0, 1.00 v6.3.0, 0.80 v6.2.0, 0.71 v6.1.0, 0.57 v6.0.0, 0.71 v5.5.0, 0.83 v5.4.0, 0.80 v5.3.0, 1.00 v5.2.0, 0.80 v4.1.0, 0.67 v4.0.0, 1.00 v3.7.0
% Syntax   : Number of formulae    :   29 (   0 unit;  14 type;  14 defn)
%            Number of atoms       :  117 (  16 equality;  81 variable)
%            Maximal formula depth :   14 (   7 average)
%            Number of connectives :   70 (   0   ~;   0   |;   1   &;  69   @)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%                                         (   0  ~|;   0  ~&)
%            Number of type conns  :  102 ( 102   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   15 (  14   :;   0   =)
%            Number of variables   :   34 (   1 sgn;   0   !;   1   ?;  33   ^)
%                                         (  34   :;   0  !>;   0  ?*)
%                                         (   0  @-;   0  @+)
% SPC      : TH0_THM_EQU_NAR