holdsIfAndOnlyIf
P90305
predicate
Indicates that a condition or relationship is true exactly when, and only when, another specified condition holds, establishing a bidirectional logical equivalence between them.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| isZeroIfAndOnlyIf | 2 |
Sample triples (3)
| Subject | Object |
|---|---|
| Cauchy convergence criterion | every Cauchy sequence converges in a complete metric space ⓘ |
| Weyl tensor | spacetime is locally conformally flat (dimension ≥ 4) via predicate surface "isZeroIfAndOnlyIf" ⓘ |
| distance covariance | random variables are independent via predicate surface "isZeroIfAndOnlyIf" ⓘ |