alefnull
|al-ef-null|
C2
/ˈælɛfˌnʌl/
smallest infinite cardinal
Etymology
Etymology Information
'alefnull' originates from Hebrew, specifically the word 'אֵלֶף' (alef), where 'אֵלֶף' meant 'thousand' and 'null' is derived from Latin 'nullus' meaning 'none'.
Historical Evolution
'אֵלֶף' transformed into the mathematical term 'alef' in set theory, and eventually became the modern English term 'alefnull'.
Meaning Changes
Initially, it meant 'thousand', but over time it evolved into its current meaning of 'the smallest infinite cardinal number'.
Meanings by Part of Speech
Noun 1
a term used in set theory to denote the cardinality of the set of natural numbers.
The cardinality of the set of natural numbers is alefnull.
Synonyms
Last updated: 2025/06/17 16:21