## TPTP Problem File: SWB061+1.p

View Solutions - Solve Problem

```%------------------------------------------------------------------------------
% File     : SWB061+1 : TPTP v7.5.0. Released v5.2.0.
% Domain   : Semantic Web
% Problem  : Disjoint Class Union As Union
% Version  : [Sch11] axioms.
% English  : If a class is defined by a disjoint-union axiom for two component
%            classes, then the class expresses the union of the two classes.

% Refs     : [Sch11] Schneider, M. (2011), Email to G. Sutcliffe
% Source   : [Sch11]
% Names    : rdfbased-sem-eqdis-disjointunion-union [Sch11]

% Status   : Theorem
% Rating   : 1.00 v5.2.0
% Syntax   : Number of formulae    :  560 ( 196 unit)
%            Number of atoms       : 1782 (  90 equality)
%            Maximal formula depth :   27 (   5 average)
%            Number of connectives : 1358 ( 136   ~;  35   |; 766   &)
%                                         ( 126 <=>; 295  =>;   0  <=;   0 <~>)
%                                         (   0  ~|;   0  ~&)
%            Number of predicates  :   13 (   1 propositional; 0-3 arity)
%            Number of functors    :  160 ( 159 constant; 0-2 arity)
%            Number of variables   :  977 (   0 sgn; 911   !;  66   ?)
%            Maximal term depth    :    2 (   1 average)
% SPC      : FOF_THM_RFO_SEQ

%------------------------------------------------------------------------------
%----Include OWL 2 Full axioms
include('Axioms/SWB001+0.ax').
%------------------------------------------------------------------------------
fof(conclusion_rdfbased_sem_eqdis_disjointunion_union,conjecture,(
? [X0,X1] :
( iext(uri_rdf_first,X0,uri_ex_c1)
& iext(uri_rdf_rest,X0,X1)
& iext(uri_rdf_first,X1,uri_ex_c2)
& iext(uri_rdf_rest,X1,uri_rdf_nil)
& iext(uri_owl_unionOf,uri_ex_c3,X0) ) )).

fof(premise_rdfbased_sem_eqdis_disjointunion_union,axiom,(
? [X0,X1] :
( iext(uri_owl_disjointUnionOf,uri_ex_c3,X0)
& iext(uri_rdf_first,X1,uri_ex_c2)
& iext(uri_rdf_rest,X1,uri_rdf_nil)
& iext(uri_rdf_first,X0,uri_ex_c1)
& iext(uri_rdf_rest,X0,X1) ) )).

%------------------------------------------------------------------------------
```