Infinite Ink: The Continuum Hypothesis, by Nancy McGough
History, mathematics, metamathematics, and philosophy of Cantor's Continuum Hypothesis

The Axiom of Choice
This page gives a brief explanation of the Axiom of Choice and links to other related websites.

Set Theory
Directory of set theorists, maintained by Jean A. Larson.

Set Theory Page
Collection of links related to set theory.

The Beginnings of Set Theory
MacTutor History of Mathematics topic.

A Crash Course in the Mathematics of Infinite Sets
A introductory guide for philosophers by Peter Suber, explaining the use of infinitary set theory.

Set Theory People
Directory of set theorists.

New Foundations
Set theory introduced by W. V. O. Quine in 1937. This is a refinement of Russell's theory of types based on the observation that the types in Russell's theory look the same, as far as one can apparently prove.

Bounded Set Theory
A weak version of ordinary set theory using bounded quantification. Papers and software.

Issues in Commonsense Set Theory
Paper by Müjdat Pakkan and Varol Akman

Programming with Sets
Using set-theoretic primitives as a conceptual tool in programming, includes discussion of SETL and MIRANDA languages.

Set Theoretic Analysis.
On a part of math where Set Theory, Topology and Analysis meet. Has surveys, preprints, conference announcements, book reviews and problems.

Set Theorists
A list of email addresses and affiliations.

Set Theory for the Working Mathematician
Krzysztof Ciesielski, CUP (1997). Contents and preface.

Operational Set Theory
Description, errata and reviews of a book by Luis E. Sanchis.

Cantor's Theorem
Article in the Platonic Realms, describing Cantor's diagonal argument that proved that infinity comes in many different 'sizes'.

Set Theory
From Dave Rusin's "Known Math" collection.

The Mathematics of Set Theory
Detailed description of parts of introductory set theory.

Set Theory
Survey from the Stanford Encyclopedia of Philosophy by Thomas Jech.

Metamath Proof Explorer
Over 3000 complete formal proofs deriving numbers and beyond from Zermelo-Fraenkel set theory axioms.

Axiom of Choice and Continuum Hypothesis
Part of the Frequently Asked Questions in Mathematics.

The Future of Set Theory by S. Shelah
The text of a talk given around the millennium.

Shelah's Archive
Listing of all articles by Saharon Shelah, and links to many of them.

Consequences of the Axiom of Choice Project
Project to keep the book (also named in the title), describing forms related to the Axiom of Choice and their implications, updated.

Equivalence Relation
Encyclopedia entry on equivalence relations and their role in set theory.

Cantor's Donut Paradox
Reassessing Uncountability and the Continuum Hypothesis with Reference to a Novel Geometrical Analogue of the Aleph Series.