isUniqueWithinSystem
P8937
predicate
Indicates that an entity exists only once and has no duplicates within the defined system or scope.
Observed surface forms (4)
- isUnique ×2
- isUniquePosition ×1
- uniqueWithinSystem ×1
- uniquenessProperty ×1
Sample triples (7)
| Subject | Object |
|---|---|
| Draupnir | yes via predicate surface "isUnique" ⓘ |
| EDB | yes ⓘ |
| Levi-Civita connection | true via predicate surface "isUnique" ⓘ |
| MCV |
National Rail
ⓘ
surface form:
National Rail station codes
|
| Platonic solids | only five convex regular polyhedra exist in 3D Euclidean space via predicate surface "uniquenessProperty" ⓘ |
| SHR | National Rail station code set via predicate surface "uniqueWithinSystem" ⓘ |
| SMMC | true via predicate surface "isUniquePosition" ⓘ |