On the cardinality of quotient set
88566
Is denying "Paradoxical Partitioning" equivalent to accepting the Axiom of Choice?
70164
Proof exercise that the cardinal number of a set in $\mathbb R^2$ is $\frak c$
89167
Cardinality of equivalence relations in $\mathbb{N}$
12003
Cardinality of set of real continuous functions
92639
Prove that the family of open sets in $\mathbb{R}$ has cardinality equal to $2^{\aleph_0}$
20097
Cardinality of the quotient ring $\mathbb{Z}[x]/(x^2-3,2x+4)$
142631
Show that A has the same cardinality as $A\setminus\{x,y,z\}$
85681
Cardinality of polynomials with real coefficients
63489
The class of cardinal numbers is well ordered
22232
Proving that cardinality of the reals = cardinality of $[0,1]$
146436
Cardinality of the set of bijective functions on $\mathbb{N}$?
86421
Proof of the definition of cardinal exponentiation
5840
divides, not divides and cardinalities
85099
How many subsets of $\mathbb{N}$ have the same cardinality as $\mathbb{N}$?
68230
The cardinality of a countable union of sets with less than continuum cardinality
137621
The Number of Topologies on a Finite Set
34710
Cardinality of Irrational Numbers