最終更新日：2024/07/28
Aleph-null is a name used to describe the cardinality of countable infinite sets.
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Aleph-null is a name used to describe the cardinality of countable infinite sets.
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Aleph-null is a name used to describe the cardinality of countable infinite sets.
Aleph-null is a name used to describe the cardinality of countable infinite sets.
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