New posts in filters

Cardinality of ultraproducts

Generalization of $f(\overline{S}) \subset \overline{f(S)} \iff f$ continuous

Ultrafilter Lemma implies Compactness/Completeness of FOL

The non-existence of non-principal ultrafilters in ZF

Intuition behind filter on a set

Characterization of weak convergence in $\ell_\infty$

Every multiplicative linear functional on $\ell^{\infty}$ is the limit along an ultrafilter.

Ultrafilters - when did it start?

Ultrafilters on naturals determine p-adic numbers

Subnets and finer filters

References on filter quantifiers

Introduction to Filters in Topology

Ultra Filter and Axiom of Choice

Localization and Field [duplicate]

How can I prove this statement about filters?

Filters vs nets in topology

Showing a filter on the Power set of $\mathbb{Z}$ is a one point Filter

Neighborhood base generated by uniformity

Where has this common generalization of nets and filters been written down?

Applications of ultrafilters