Multidimensional Cantor diagonal argument for ordering infinite sets
41783
Cardinality of the Cartesian Product of Two Equinumerous Infinite Sets
149673
Cardinality of an infinite union of finite sets
10839
Problem in Cardinality and Order
154240
Inverse of Heine–Cantor theorem
3217
Construction of uncountably many non-isomorphic linear (total) orderings of natural numbers
133206
Is the Cantor set made of interval endpoints?
122947
What is the cardinality of the set of infinite cardinalities?
122684
How do you prove Well-Ordering without Mathematical Induction? (and vice-versa)
65316
Explaining Infinite Sets and The Fault in Our Stars
126569
Can we find a well ordering on an infinite set with no largest element?
132025
Is there an alternative to Cantor's cardinalities that makes proper subsets smaller than their sets?
127233
Cardinality of order types in $\mathbb{N}$
157513
How can I prove that these sets are countable infinite?
39880
Cardinality of Orderings of $\mathbb{R}$
9651
Cardinality of cartesian product of an infinite set with N
48278
Inequality about infinite cardinals
4467
Proving Cantor's theorem