Metadata aliases: [] shorthands: {} created: 2021-12-03 09:42:56 modified: 2022-01-10 04:13:03 A set is countable if there exists an injective function , simply meaning that every element in has the correspondence to a different element in .
aliases: [] shorthands: {} created: 2021-12-03 09:42:56 modified: 2022-01-10 04:13:03
A countable set is either a finite set or a countably infinite set.