← Theoretical / proof-based

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In this program

Zermelo–Fraenkel axioms (ZFC)
The cumulative hierarchy
Ordinals and cardinals
Axiom of choice
Well-ordering (equivalents overview)
Construction of number systems from set theory
Russell's paradox
Limitations of naive set theory

Axiomatic set theory

Well-ordering (equivalents overview)

Mathematical logic & set theory · Theoretical / proof-based

Topic

Well-ordering (equivalents overview)

Practice by unit: Axiomatic set theory

Undergraduate Mathematical Logic & Set Theory — scope drawn from open logic/set theory notes and typical US intro logic syllabi.

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