| 单词 | aleph-null |
| 释义 | aleph-null in British English or aleph-zero noun the smallest infinite cardinal number; the cardinal number of the set of positive integers Symbol: א0aleph-null in American English (ˈɑlɪfˈnʌl) noun Ancient Mathematics in the theory of sets, the smallest infinite cardinal number; the cardinal number of the set ofall positive integers: symbol, (ℵ0) |
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