@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
@prefix owl: <http://www.w3.org/2002/07/owl#>.
@prefix xsd: <http://www.w3.org/2001/XMLSchema#>.
@prefix : <foo:bla/meta#>.

:Person a owl:Class ; owl:equivalentClass [ owl:oneOf (:john :alice) ] .
[ a owl:AllDifferent ; owl:members (:john :alice) ] .
:john a :Person .
:alice a :Person .
:xxx a :Person .