# extensionality

> logic principle that judges objects to be equal if they have the same external properties

**Wikidata**: [Q965432](https://www.wikidata.org/wiki/Q965432)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Extensionality)  
**Source**: https://4ort.xyz/entity/extensionality


## References

1. Freebase Data Dumps. 2013
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)