Where is wrong on my $i^i=1$ proof?
49444
Why isn't $e^{2\pi xi}=1$ true for all $x$?
77076
Proof that $(x-1)^2$ divides a $nx^{n+1} – (n+1)x^{n}+1$
40837
Why $e^{i(π/3)} \ne -1$?
100399
A doubt with a part of a certain proof.
73687
Powers of $i$ in Complex Numbers.
81275
Eigenvalue Problem -- prove eigenvalue for $A^2 + I$
115506
What's wrong with this demonstration? (1 = -1)
8360
$\sum_i x_i^n = 0$ for all $n$ implies $x_i = 0$
147528
Where's the error in this $2=1$ fake proof?
55018
Prove that $A^*A + I$ is invertible
16177
Proof by Induction: $\sum_0^nx^i=(1-x^{n+1})/(1-x)$
145125
How to prove that $A^{-1} + B^{-1}$ is invertible given the conditions
87322
How to calculate $i^i$
154459
Constructing a HoTT proof term of 1≠0
92046
Proving $\sum\limits_{i=0}^n  i 2^{i-1} = (n+1) 2^n - 1$ by induction
47313
What is $i^i$ and $(i^i)^i$
95449
What is the square root of "$i$"?