Did {0} {opposite of} {0}?
Is it accurate to say that 0 is the opposite of 0?
Is 0 the opposite of 0?
ASK WHERE { resource:zero property:opposite_of resource:zero }
 ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q204> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P461> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q204>. } 
ASK WHERE { wd:Q204 wdt:P461 wd:Q204 }