Definition:Aleph-Null
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Definition
Aleph-null is the cardinal number of a set which is in one-to-one correspondence with the natural numbers $\N$.
Also known as
Some sources do not hyphenate: aleph null.
Aleph-null is also known as aleph nought.
Also see
- Results about $\aleph_0$ can be found here.
Sources
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): aleph-null
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): aleph-null
- 2021: Richard Earl and James Nicholson: The Concise Oxford Dictionary of Mathematics (6th ed.) ... (previous) ... (next): aleph-null