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New posts in cardinals
Comparing the sizes of countable infinite sets [duplicate]
cardinals
Why continuum function isn't strictly increasing?
elementary-set-theory
cardinals
Cardinality of cartesian square
set-theory
cardinals
How to Understand the Definition of Cardinal Exponentiation
elementary-set-theory
cardinals
Several forcing axioms imply $2^{\aleph_0 }= \aleph_2$. What about $2^{\aleph_1}$?
set-theory
cardinals
forcing
How to divide aleph numbers
elementary-set-theory
cardinals
Cardinality of the Irrationals [duplicate]
elementary-set-theory
cardinals
Non-aleph infinite cardinals
elementary-set-theory
cardinals
axiom-of-choice
Cardinality of a set A is strictly less than the cardinality of the power set of A
elementary-set-theory
discrete-mathematics
cardinals
The relationship of ${\frak m+m=m}$ to AC
set-theory
cardinals
axiom-of-choice
How many compact Hausdorff spaces are there of a given cardinality?
general-topology
set-theory
compactness
cardinals
separation-axioms
What is the largest set for which its set of self bijections is countable?
elementary-set-theory
examples-counterexamples
cardinals
infinity
Proving $\mathbb{N}^k$ is countable
elementary-set-theory
cardinals
Bijection between power sets of sets implies bijection between sets? [duplicate]
set-theory
cardinals
Is cardinality a well defined function?
elementary-set-theory
cardinals
Does any uncountable set contain two disjoint uncountable sets?
elementary-set-theory
cardinals
Problems about Countability related to Function Spaces
elementary-set-theory
cardinals
What is $\aleph_0$ powered to $\aleph_0$?
set-theory
cardinals
Is the class of cardinals totally ordered?
set-theory
cardinals
ordinals
Is the number of 3-dimensional slices slices of a 5-dimensional space less than the number of 3-dimensional slices of a 4-dimensional space?
geometry
elementary-set-theory
cardinals
infinity
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