New posts in Set Theory

Why, historically, did Gödel think CH was false?

When to use Iterated Forcing

Finding a basis of an infinite dimensional vector space with a given vector

Why can't we just add "nothing else is a set" as an axiom?

How badly does foundation fail in NF(etc.)?

Why can't we prove consistency of ZFC like we can for PA?

Where is the mistake in this "proof" of the inconsistency of ZFC?

Why do we use von Neumann ordinals and not Zermelo ordinals?

Set-Theoretic Omniscience and Set Definition

Is consistency an axiom of mathematics?