Last Updated
：2025/11/20
aleph-null
Proper noun
uncountable
Japanese Meaning
(集合論) 第一の超限基数。これは自然数全体の個数に対応する、可算無限の濃度を持つ集合の大きさを示す概念です。
Quizzes for review
(set theory) The first of the transfinite cardinal numbers; corresponds to the number of natural numbers.
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aleph-null
In his lecture, the mathematician explained why aleph-null is the smallest infinite cardinal and how it differs from finite numbers.
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In his lecture, the mathematician explained why aleph-null is the smallest infinite cardinal and how it differs from finite numbers.
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