Omega: Difference between revisions

21 bytes added ,  10 months ago
No edit summary
Line 1:
{{DISPLAYTITLE:\(\omega\)}}
 
The [[ordinal]] '''omega''', written \(\omega\), is defined as the [[order type]] of the [[natural numbers]] \(\mathbb N\). As a [[von Neumann ordinal]], it corresponds to the naturals themselves. Note that \(\omega\) is not to be confused with [[Uncountable|\(\Omega\)]], a common notation for a much larger ordinal.
 
==Properties==
* It is the first [[infinite]] ordinal.
* It is the first [[limit ordinal]].
* It is considered by some to be the first [[admissible ordinal]].
* Using the [[von Neumann cardinal assignment]], it is equal to [[aleph 0|\(\aleph_0\)]].
* It is the smallest ordinal \(\alpha\) such that \(1+\alpha=\alpha\). Every ordinal larger than it has this same property.