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New posts in cardinals
Which of the following sets has the greatest cardinality?(Math subject GRE exam 0568 Q.61 )
elementary-set-theory
cardinals
Questions about Aleph-Aleph-Null
elementary-set-theory
cardinals
Does $\mathbb R^2$ contain more numbers than $\mathbb R^1$? [duplicate]
elementary-set-theory
cardinals
What is the degree of a real closure of an ordered field?
field-theory
cardinals
model-theory
extension-field
ordered-fields
The group of permutations with almost all points fixed is a maximal normal subgroup of the symmetric group.
group-theory
set-theory
cardinals
symmetric-groups
Can proper classes also have cardinality?
set-theory
cardinals
What is the meaning of $n\in \aleph$
induction
cardinals
Could someone explain aleph numbers?
elementary-set-theory
cardinals
Why are Aleph Cardinal Numbers "strictly increasing"?
elementary-set-theory
cardinals
Cardinality of cartesian product of an infinite set with N
set-theory
cardinals
The preorder of countable order types
set-theory
cardinals
order-theory
ordinals
Continuum Hypothesis $\iff ?$?
set-theory
cardinals
Is $2^{|\mathbb{N}|} = |\mathbb{R}|$? [duplicate]
elementary-set-theory
cardinals
Cardinality of power sets decides all of cardinal arithmetic?
set-theory
cardinals
forcing
cardinal's arithmetic
cardinals
ordinals
large-cardinals
Must large (infinite) groups have large automorphism groups?
abstract-algebra
group-theory
cardinals
automorphism-group
Infinite sets with cardinality less than the natural numbers
elementary-set-theory
cardinals
Cardinality of relations set
elementary-set-theory
relations
cardinals
Is there an infinite countable $\sigma$-algebra on an uncountable set
measure-theory
elementary-set-theory
cardinals
Cardinal Arithmetic versus Ordinal Arithmetic
set-theory
cardinals
ordinals
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