# cardinality

> measure of the “number of elements of the set”, either as a cardinal number or as the equivalence class of sets admitting bijections to this set

**Wikidata**: [Q4049983](https://www.wikidata.org/wiki/Q4049983)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Cardinality)  
**Source**: https://4ort.xyz/entity/cardinality


## References

1. Freebase Data Dumps. 2013
2. Q115325930
3. Australian education vocabularies
4. KBpedia