What does it mean $2^\mathbb{N}$?
36612
Strange set notation (a set as a power of 2)?
21151
$\log(n)$ is what power of $n$?
70386
Proof by induction: $2^n > n^2$ for all integer $n$ greater than $4$
33877
What does $2^x$ really mean when $x$ is not an integer?
143357
Comparing $2^n$ to $n!$
102777
Is $G^{(X, Y)} = (G^X)^Y?$ ($A^B$ just means that $B$ is mapped to $A$)
55619
What does $\bigcup_{i=0}^{\infty}[i, i+2]$ mean?
50041
Significance of $\sqrt[n]{a^n} $?!
54753
What does $\sum_{i=1}^{10} 2$ mean exactly?
4776
Prove that the power set of an $n$-element set contains $2^n$ elements
39226
What's the meaning of a set to the power of another set?
132470
Does $\mathbb R^2$ contain more numbers than $\mathbb R^1$?
59459
Binary sequences and ${2}^{\mathbb{N}}$ have the same cardinality
113394
What does O(log n) mean exactly?
135180
How to Understand the Definition of Cardinal Exponentiation
48081
Prove that for all $n \in \mathbb{N}$: $2^{n-1}(a^n + b^n) \ge (a + b)^n$
981
If $n^c\in\mathbb N$ for every $n\in\mathbb N$, then $c$ is a non-negative integer?