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Omega-stability implies stability in every infinite cardinal
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Mathematics
Area of mathematics
Foundations of mathematics
Model theory
Stable theory
2026-09-28
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For
a
countable theory, omega-stability implies
∣
S
n
(
A
)
∣
≤
∣
A
∣
+
ℵ
0
for every
parameter
set
A
. Total transcendence gives each type
a
finite base and
a
definition
over it;
counting
finite bases and
formulas
proves the bound.
Ancestors
(6)
Stable theory
Model theory
Foundations of mathematics
Area of mathematics
Mathematics
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Past exam of the mathematics course of the University of Cambridge
/
2022
/
iii
/
Paper 144
/
7
/
Solution
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