aleph-null

noun
\ ˈä-ˌlef-ˈnəl How to pronounce aleph-null (audio) , -ləf- \

Definition of aleph-null

: the number of elements in the set of all integers which is the smallest transfinite cardinal number

First Known Use of aleph-null

circa 1909, in the meaning defined above

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The first known use of aleph-null was circa 1909

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Cite this Entry

“Aleph-null.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aleph-null. Accessed 14 Jun. 2021.

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Britannica.com: Encyclopedia article about aleph-null

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