What is {academic subject} of {discoverer of} of {Euler's identity} ?
Which academic subject is the discoverer's identity of Euler?
What academic subject is Euler's identity the discoverer of?
SELECT ?j WHERE { resource:Euler's_identity property:discoverer_or_inventor ?s . ?s property:field_of_work ?j }
SELECT ?answer WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q204819> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P61>. ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?X . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?X. ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P101> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer . }
SELECT ?answer WHERE { wd:Q204819 wdt:P61 ?X . ?X wdt:P101 ?answer}
astronomy mathematics mathematical analysis number theory optics mechanics ballistics music theory calculus of variations shipbuilding theory of differential equations