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New posts in cardinals
Intuitive explanation for how could there be "more" irrational numbers than rational? [duplicate]
elementary-set-theory
cardinals
Relationship between Continuum Hypothesis and Special Aleph Hypothesis under ZF
set-theory
cardinals
axiom-of-choice
Cardinal number subtraction
cardinals
Do the real numbers and the complex numbers have the same cardinality?
complex-numbers
cardinals
cardinality of all real sequences
set-theory
cardinals
Doesn't the unprovability of the continuum hypothesis prove the continuum hypothesis? [duplicate]
logic
set-theory
cardinals
fake-proofs
Cardinality of a language $L_\Sigma$ over a decidable signature $\Sigma$
first-order-logic
model-theory
cardinals
formal-languages
The Aleph numbers and infinity in calculus.
calculus
elementary-set-theory
cardinals
infinity
Partition of N into infinite number of infinite disjoint sets? [duplicate]
elementary-set-theory
cardinals
set-partition
Refuting the Anti-Cantor Cranks
elementary-set-theory
soft-question
cardinals
education
infinity
Why is the Continuum Hypothesis (not) true?
set-theory
cardinals
incompleteness
Cardinality of the set of all real functions of real variable
elementary-set-theory
cardinals
Let $A$ be any uncountable set, and let $B$ be a countable subset of $A$. Prove that the cardinality of $A = A - B $
elementary-set-theory
discrete-mathematics
cardinals
How to show $(a^b)^c=a^{bc}$ for arbitrary cardinal numbers?
elementary-set-theory
cardinals
Overview of basic results on cardinal arithmetic
reference-request
elementary-set-theory
cardinals
online-resources
What's the cardinality of all sequences with coefficients in an infinite set?
elementary-set-theory
cardinals
Why is $\omega$ the smallest $\infty$?
logic
set-theory
cardinals
infinity
Does $k+\aleph_0=\mathfrak{c}$ imply $k=\mathfrak{c}$ without the Axiom of Choice?
elementary-set-theory
cardinals
axiom-of-choice
Cardinality of a Hamel basis of $\ell_1(\mathbb{R})$
functional-analysis
set-theory
vector-spaces
banach-spaces
cardinals
An infinite subset of a countable set is countable
elementary-set-theory
cardinals
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