# set-theoretic definition of natural numbers

> constructions of the whole numbers from sets

**Wikidata**: [Q2995274](https://www.wikidata.org/wiki/Q2995274)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Set-theoretic_definition_of_natural_numbers)  
**Source**: https://4ort.xyz/entity/set-theoretic-definition-of-natural-numbers