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Rank of a set
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Mathematics
Area of mathematics
Foundations of mathematics
Set theory
Von Neumann hierarchy
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Words: 19
The rank is defined by
rank
(
x
)
=
sup
y
∈
x
(
rank
(
y
)
+
1
)
.
(2)
It is the least ordinal
α
for which
x
⊆
V
α
.
Ancestors
(6)
Von Neumann hierarchy
Set theory
Foundations of mathematics
Area of mathematics
Mathematics
Home
Incoming links
(1)
Solution