givesNecessaryAndSufficientConditionFor

P148128 predicate

Indicates that one entity provides a condition or set of conditions that are both required and alone adequate for another entity, concept, or statement to hold or be true.

Observed surface forms (1)

Sample triples (3)

Subject Object
Erdős–Gallai theorem a sequence to be graphical
Legendre's three-square theorem an integer to be a sum of three squares
Eulerian digraph strongly connected after removing zero-degree vertices and in-degree(v)=out-degree(v) for all v via predicate surface "hasNecessaryAndSufficientCondition"