## TPTP Problem File: SWB053+1.p

View Solutions - Solve Problem

```%------------------------------------------------------------------------------
% File     : SWB053+1 : TPTP v7.5.0. Released v5.2.0.
% Domain   : Semantic Web
% Problem  : Empty Class As Sub-Class
% Version  : [Sch11] axioms.
% English  : Every OWL class is a super class of the vocabulary class
%            owl:Nothing.

% Refs     : [Sch11] Schneider, M. (2011), Email to G. Sutcliffe
% Source   : [Sch11]
% Names    : rdfbased-sem-class-nothing-term [Sch11]

% Status   : Theorem
% Rating   : 0.36 v7.5.0, 0.34 v7.4.0, 0.30 v7.3.0, 0.28 v7.2.0, 0.24 v7.1.0, 0.17 v7.0.0, 0.23 v6.4.0, 0.27 v6.3.0, 0.29 v6.2.0, 0.40 v6.1.0, 0.50 v6.0.0, 0.48 v5.5.0, 0.56 v5.4.0, 0.61 v5.3.0, 0.67 v5.2.0
% Syntax   : Number of formulae    :  560 ( 198 unit)
%            Number of atoms       : 1774 (  90 equality)
%            Maximal formula depth :   27 (   5 average)
%            Number of connectives : 1350 ( 136   ~;  35   |; 758   &)
%                                         ( 126 <=>; 295  =>;   0  <=;   0 <~>)
%                                         (   0  ~|;   0  ~&)
%            Number of predicates  :   13 (   1 propositional; 0-3 arity)
%            Number of functors    :  158 ( 157 constant; 0-2 arity)
%            Number of variables   :  973 (   0 sgn; 911   !;  62   ?)
%            Maximal term depth    :    2 (   1 average)
% SPC      : FOF_THM_RFO_SEQ