Definition:Class of Infinite Cardinals
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The class of infinite cardinals is the class of all infinite cardinals.
- $\NN' = \NN \setminus \omega$
Also known as
This concept is also seen referred to as the infinite cardinal class, but this can be misconstrued as the class of cardinals which is itself infinite.
- 1971: Gaisi Takeuti and Wilson M. Zaring: Introduction to Axiomatic Set Theory: $\S 10.42$