Aleph-0/Related Articles

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A list of Citizendium articles, and planned articles, about Aleph-0.
See also changes related to Aleph-0, or pages that link to Aleph-0 or to this page or whose text contains "Aleph-0".

Parent topics

  • Cardinality [r]: The size, i.e., the number of elements, of a (possibly infinite) set. [e]
  • Cardinal number [r]: The generalization of natural numbers (as means to count the elements of a set) to infinite sets. [e]


  • Countable set [r]: A set with as many elements as there are natural numbers, or less. [e]

Other related topics

  • Continuum hypothesis [r]: A statement about the size of the continuum, i.e., the number of elements in the set of real numbers. [e]
  • Natural number [r]: An element of 1, 2, 3, 4, ..., often also including 0. [e]