This article is rated C-class on Wikipedia's
content assessment scale. It is of interest to the following WikiProjects: | |||||||||||
|
This article was created in May 2022 using content from Filter (mathematics) and Filters in topology, but the resulting article is very long with a wikitext size of about 141 KB. I'd suggest condensing the proofs and longer paragraphs. – LaundryPizza03 ( d c̄) 05:21, 26 March 2023 (UTC)