Zermelo–Fraenkel set theory
Zermelo–Fraenkel set theory
Standard system of axiomatic set theory.
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Readers' pathsAug 2026 – Oct 2026
Readers go next to
Share of the 24,199 clicks on its links
Axiom of choice
Axiom of set theory.
13%
Russell's paradox
Paradox in set theory.
9.9%
Ernst Zermelo
German logician and mathematician (1871–1953).
5.9%
Abraham Fraenkel
German-Israeli mathematician and Zionist (1891–1965).
5.5%
Set theory
Branch of mathematics that studies sets.
4.3%
Foundations of mathematics
Basic framework of mathematics.
3.3%
Zorn's lemma
Mathematical proposition equivalent to the axiom of choice.
1.3%
Domain of discourse
Type of abstract object.
1.3%
Disjoint sets
Sets with no element in common.
1.1%
Ordinal number
Generalization of "n-th" to infinite cases.
1.1%
Readers come from
Share of the 13,963 readers arriving from another article
Set theory
Branch of mathematics that studies sets.
9.3%
Axiom of choice
Axiom of set theory.
4.8%
Russell's paradox
Paradox in set theory.
4.5%
Foundations of mathematics
Basic framework of mathematics.
3.7%
Ernst Zermelo
German logician and mathematician (1871–1953).
2.6%
Busy beaver
Concept in theoretical computer science.
2.4%
Kurt Gödel
Mathematician and philosopher (1906–1978).
2.3%
Set (mathematics)
Collection of mathematical objects.
2.1%
Hilbert's problems
23 mathematical problems stated in 1900.
1.7%
Ordinal number
Generalization of "n-th" to infinite cases.
1.6%