hasSelfIntersection
P72974
predicate
Indicates that an entity (typically a curve or path) intersects or crosses itself at one or more points.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| hasSelfIntersectionAlong | 1 |
Sample triples (3)
| Subject | Object |
|---|---|
| Bernoulli lemniscate | yes ⓘ |
| Whitney umbrella | the positive z-axis via predicate surface "hasSelfIntersectionAlong" ⓘ |
| Fermat's spiral | no self-intersections for θ ≠ 0 ⓘ |