instance of

that class of which this subject is a particular example and member; different from P279 (subclass of); for example: K2 is an instance of mountain; volcano is a subclass of mountain (and an instance of volcanic landform)

instance of is …
instance of (P31):
Wikidata propertyQ18616576
Wikidata property for the relationship of the element to its classQ28326730
fundamental Wikidata entityQ115490628

External links are
P8979DataTrek IDP14
P1628equivalent propertyhttp://d-nb.info/standards/elementset/gnd#broaderTermInstantial
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
P10787FactGrid property IDP2
P1896source website for the propertyhttp://www.w3.org/TR/rdf-schema/#ch_type
P11914Wikibase World IDP3

P3713category for value not in Wikidata???Q32764726
P3734category for value same as WikidataCategory:Template parameter is the same as P31Q42533274
P7087inverse label itemhas instanceQ65933034
P6104maintained by WikiProjectWikiProject OntologyQ60005226
P2302property constraintallowed qualifiers constraintQ21510851
contemporary constraintQ25796498
property scope constraintQ53869507
allowed-entity-types constraintQ52004125
none-of constraintQ52558054
value-requires-statement constraintQ21510864
P2875property usage tracking categoryCategory:Pages using Wikidata property P31Q20117426
P1659related propertysubclass ofP279
part ofP361
P2668stability of property valuesometimes changesQ24025284
P6609value hierarchy propertysubclass ofP279
P1629Wikidata item of this propertyinstance ofQ21503252
P2559Wikidata usage instructions以下のヘルプを参照してください
Eigenschaften die Mitgliedschaft oder Teilhabe ausdrücken
Usage instructions in English
Инструкции по использованию на русском языке
Hướng dẫn sử dụng
简体中文用法说明
繁體中文用法說明