Homonym: Aleph Null (Infinity)
Aleph Null is a mathematical concept that represents the size of infinite sets, specifically the smallest type of infinity. It is often denoted by the Hebrew letter "ℵ₀" and is used to describe the cardinality of countably infinite sets, such as the set of natural numbers 0, 1, 2, 3, ....
In set theory, Aleph Null helps mathematicians understand different sizes of infinity. For example, while the set of natural numbers is countably infinite, the set of real numbers is uncountably infinite, meaning it has a larger cardinality than Aleph Null.