Definition, Meaning & Synonyms
aleph
noun
ˈæl.ɛf
Definition
The first letter of the Hebrew alphabet.
Examples
- The symbol for the first letter of the Hebrew alphabet is aleph.
- In set theory, we say that the set of natural numbers has a cardinality of aleph-null.
- Many words in the Hebrew language begin with the aleph sound.
Meaning
In mathematics and set theory, ‘aleph’ is often used to denote the size of infinite sets, particularly the cardinal numbers of infinite sets, such as aleph-null (ℵ₀), which represents the smallest infinity.
Synonyms
- none
