ALL meanings of aleph-null
a·leph-null
A a - noun aleph-null the smallest infinite cardinal number; the cardinal number of the set of positive integers 3
- noun aleph-null in the theory of sets, the smallest infinite cardinal number; the cardinal number of the set of all positive integers: symbol, (ℵ0) 3
- noun aleph-null the cardinal number of the set of all positive integers; the smallest transfinite cardinal number. 1