- The numbers of counting distinct objects.
no object, one object, two objects, ...
- Axiomatic characterization.
- Describe properties of natural numbers.
- Peano axioms.
- Set-theoretic construction.
- Numbers are defined as sets.
- Definition satisfies Peano laws.
Two ways to introduce the natural numbers.
Author: Wolfgang Schreiner
Last Modification: November 16, 1999