What is the {non-negative integer} for {opposite of} of {0}
Which non-negative numbers is the inverse of 0?
Which non-negative integer is the opposite of 0?
SELECT DISTINCT ?n WHERE { ?n rdf:type ontology:non-negative_integer . ?n property:opposite_of resource:zero }
select distinct ?subj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?subj . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P461> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q204> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q28920052> } 
 select distinct ?sbj where { ?sbj wdt:P461 wd:Q204 . ?sbj wdt:P31 wd:Q28920052 } 
zero