Metadata aliases: [] shorthands: {} created: 2021-12-15 11:23:25 modified: 2022-01-10 04:13:04 A subset of a metric space is said to be open if it contains a ball about each of its points.
aliases: [] shorthands: {} created: 2021-12-15 11:23:25 modified: 2022-01-10 04:13:04