isPrototypeBuilt
P144694
predicate
Indicates that a prototype of the referenced entity has been constructed or realized in physical or functional form.
Observed surface forms (1)
- isPrototype ×1
Sample triples (2)
| Subject | Object |
|---|---|
|
Lockheed Martin X-27 (concept)
surface form:
Lockheed Martin X-27
|
false ⓘ |
| Martin Model 146 | true via predicate surface "isPrototype" ⓘ |