Linked from

The 54 pages that link to Set theory, each with the reason it gives.

• Combinatorial principlesNarrower topic: Counting principles address finite collections, while set theory also studies infinite sizes.

• Kuratowski's closure-complement problemNarrower topic: The problem counts sets generated by operations on a single subset.

• Mary Ellen RudinNarrower topic: Its methods and axioms provide the background for the existence questions in her topology.

• Mostowski collapse lemmaNarrower topic: The lemma is a standard tool for translating relational structures into set-theoretic membership.