Is $i^i$ mathematically valid?
25788
Prove that $i^i$ is a real number
105973
how do we know the BBP formula for $\pi$ is valid?
22129
Why is $\sqrt{\sum_{i=1}^n |v_i|^2} \leq \sum_{i=1}^n |v_i|$ true?
101545
When is the formula for the infinite geometric series valid
19628
What is wrong with this fake proof $e^i = 1$?
49984
Valid justification for algebraic manipulation of $\mathrm{d}y/\mathrm{d}x$?
131844
When does $(e^a)^b = e^{ab}$ hold?
138360
Exponents and absolute value w/ complex numbers
115176
Can we say that $\left(a+b\right)^{\alpha}>a^{\alpha}+b^{\alpha}$ for all $a,b>0$ and $\alpha>1$?
155285
difficulty of accepting $i^2 = -1$ for first timers
87322
How to calculate $i^i$
110826
prove that : $ i = \sqrt {-1}\ $
117383
What is the value of $\Gamma(\mathrm{i})$ ?
98320
True or false? $\bigwedge_{i \in I} \bigvee_{j \in J}a_{i,j} \equiv \bigvee_{j \in J} \bigwedge_{i \in I}a_{i,j}$
103987
What does the square root of minus $i$ equal?
146439
Is every sufficiently large positive integer of the form $ab + ac + bc + 1$?
147920
Infinite powering by $i$