Proving that uncountable sets are of the same cardinality
10458
How to define a bijection between $(0,1)$ and $(0,1]$?
93330
Cardinality of all cardinalities
127678
A partition of the unit interval into uncountably many dense uncountable subsets
124847
Is the set of surjective functions from $\mathbb{N}$ to $\mathbb{N}$ uncountable?
142631
Show that A has the same cardinality as $A\setminus\{x,y,z\}$
27478
Proof that two basis of a vector space have the same cardinality in the infinite-dimensional case
108922
Cardinality and infinite sets: naturals, integers, rationals, bijections
103769
The Cartesian product of a finite number of countable sets is countable
158671
Cardinality of a set that consists of all existing cardinalities
91163
Let the set S be infinite, and the set T countably infinite. Show that S and S U T have the same cardinality
28539
Does any uncountable set contain two disjoint uncountable sets?
22391
Is the set of all pairs of real numbers uncountable?
122947
What is the cardinality of the set of infinite cardinalities?
60424
Uncountable family of uncountable compact subsets of $\mathbb{R}$
149673
Cardinality of an infinite union of finite sets
44974
Infinite set and countable subsets
35692
The set of all finite subsets of the natural numbers is countable