# Transfinite number/Related Articles

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*See also changes related to Transfinite number, or pages that link to Transfinite number or to this page or whose text contains "Transfinite number".*

## Parent topics

- Cardinality [r]: The size, i.e., the number of elements, of a (possibly infinite) set.
^{[e]} - Cardinal number [r]: The generalization of natural numbers (as means to count the elements of a set) to infinite sets.
^{[e]} - Ordinal number [r]: The generalization of natural numbers (as means to order sets by size) to infinite sets.
^{[e]}

## Subtopics

- Countable set [r]: A set with as many elements as there are natural numbers, or less.
^{[e]} - Aleph-0 [r]: Cardinality (size) of the set of all natural numbers.
^{[e]}