aleph

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English

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English Wikipedia has an article on:
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Alternative forms

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Etymology

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Borrowed from Hebrew אלף (álef). Doublet of alpha and alif.

Pronunciation

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  • IPA(key): /ˈɑˌlɛf/, /ˈɑˌlɪf/

Noun

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aleph (plural alephs)

  1. The first letter of the Proto-Canaanite alphabet, and its descendants in descended Semitic scripts, such as Phoenician 𐤀 (ʾ, ʾaleph), Aramaic 𐡀 (ʾ), Classical Syriac ܐ ('ālaph), Hebrew א (aleph) and Arabic ا (ʾalif).
  2. (mathematics) The cardinality of an infinite well-ordered (or well-orderable) set.
    The axiom of choice is equivalent to the proposition that every infinite cardinal is an aleph.

Derived terms

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Translations

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See also

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