How much is ${\aleph_0}^{\aleph _ 0}$?
62197
What is $\aleph_0$ powered to $\aleph_0$?
52621
Why is $\det(A - \lambda I)$ zero?
1914
General way to determine $\mathbb{Q}(\gamma) = \mathbb{Q}(\alpha,\beta)$ given $\alpha$ and $\beta$
158257
Is aleph-$0$ a natural number?
58267
Godel's pairing function and proving c = c*c for aleph cardinals
136448
$ABAB=0_{n\times n}$, then must $BABA$ be $0_{n\times n}$?
4782
Can we distinguish $\aleph_0$ from $\aleph_1$ in Nature?
105594
Fixed point, union of $\aleph_0, \aleph_{\aleph_0},\aleph_{\aleph_{\aleph_0}}\dots$ [see Noah's comment on notation]
114220
Find the value of $\large i^{i^{.^{.^.}}}$
79349
The Aleph numbers and infinity in calculus.
71604
Why is the determinant of the 0x0 matrix equal 1?
62977
Show on $\mathbb{N}$ there are $2^{\aleph_0}$ nonisomorphic linear orders.
141010
Computing $n$-th external power of standard simplectic form
154459
Constructing a HoTT proof term of 1≠0
66610
Finding a correspondence between $\{0,1\}^A$ and $\mathcal P(A)$
77764
Is "$a + 0i$" in every way equal to just "$a$"?
158249
Proof of correctness of a homomorphic ElGamal sum