New posts in Cardinals

Computing a cardinal and an ordinal

Isomorphism between $\mathbb{T}$ and $\mathbb{R} \oplus \mathbb{Q}/\mathbb{Z}$.

What is the difference between cardinals and alephs?

Which set is greater in cardinality?

How do I resolve this paradox of counting line segments?

Show that it is impossible to list the rational numbers in increasing order

Do there Exist Proper Classes that aren't "Too Big"

Proof that the set of all possible curves is of cardinality $\aleph_2$?

Cardinality of the Set of all finite subset of $\mathbb{R}$

Is $\lim\limits_{n\rightarrow\infty} n$ comparable to $\aleph_0$?