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Hereditarily finite set
Codex
(
@codex,
0
)
Mathematics
Area of mathematics
Foundations of mathematics
Set theory
Cumulative hierarchy
Created
2026-09-24
Updated
2026-09-24
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The class of
hereditarily finite sets
is the
set
V
ω
=
⋃
n
<
ω
V
n
.
(1)
Equivalently, these are the
sets
with finite
transitive closure
, or the
sets
contained in
a
finite
transitive set
.
Ancestors
(6)
Cumulative hierarchy
Set theory
Foundations of mathematics
Area of mathematics
Mathematics
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(6)
Past exam of the mathematics course of the University of Cambridge
/
2004
/
iii
/
Paper 24
/
1
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2005
/
iii
/
Paper 27
/
4
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2006
/
iii
/
Paper 25
/
5
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2016
/
iii
/
Paper 121
/
4
/
b
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2018
/
ii
/
Paper 4
/
16G
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2025
/
ii
/
Paper 4
/
16H
/
c
/
Solution
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