aleph-null

English

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)

• Finnish: alef-nolla
• Hebrew: א' אֶפֶס m (álef éfes)
• Hungarian: alef-nulla (hu)
• Polish: alef zero m
• Portuguese: alef zero m