aleph-null

English

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aleph-null

Wikipedia

Etymology

From its mathematical symbol ℵ₀, from א, aleph, the first letter of the Hebrew alphabet.

Proper noun

aleph-null (uncountable)

1. (set theory) The first of the transfinite cardinal numbers; corresponds to the number of natural numbers.

Synonyms

• (first transfinite cardinal number): aleph-naught, aleph-nought, aleph-zero, ℵ₀

Related terms

• aleph-one

Translations

first of the transfinite cardinal numbers

Chinese: Mandarin: 阿列夫零 (zh) (ālièfū-líng) Czech: alef nula m Finnish: alef-nolla Hebrew: א׳ אֶפֶס m (álef éfes) Hungarian: alef-nulla (hu) Polish: alef zero m Portuguese: alef zero m