| 释义 |
Aleph-0The Set Theory symbol for a Set having the same Cardinal Number as the ``small'' InfiniteSet of Integers. The Algebraic Numbers also belong to .Rather surprising properties satisfied by include
 | (1) |
 | (2) |
 | (3) |
where is any Finite Set. However,
 | (4) |
where is the Continuum.See also Aleph-1, Cardinal Number, Continuum, Continuum Hypothesis,Countably Infinite Set, Finite, Infinite, Transfinite Number, Uncountably Infinite Set
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