Difference between revisions of "Omega"
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==Other uses== | ==Other uses== | ||
− | *Omega is the smallest ordinal with cardinality [[Aleph null]] and the smallest infinite ordinal. | + | *Omega is the smallest [[Ordinal|ordinal]] with cardinality [[Aleph null]] and the smallest infinite ordinal. |
==See also== | ==See also== |
Latest revision as of 14:54, 5 June 2020
Omega () is the last letter of the Greek alphabet. In ring theory, omega is a constant the represents .
Omega ring
- Main article: Omega ring
The omega ring is the ring containing . It has the interesting property that whenever one item in the ring is taken to any power, another item in the ring is the result.
Other uses
- Omega is the smallest ordinal with cardinality Aleph null and the smallest infinite ordinal.