Countably Based Filter (可算基をもつフィルター) (Definition II.2.16)
- Countably Based Filter (可算基をもつフィルター) (Definition II.2.16) #Card
- A filter having a countable filter-base. The class of all countably based filters is denoted by $\mathbb{F}_1$.
A filter having a countable filter-base. The class of all countably based filters is denoted by $\mathbb{F}_1$.
Filter.IsCountablyGenerated f