6=-6? Is it possible?
110661
When does $\sqrt{a b} = \sqrt{a} \sqrt{b}$?
119031
How many 6 digit numbers are possible with no digit appearing more than thrice?
54030
Square and square root and negative numbers
37376
what is the argument of 0?
112843
What is the proper way to extend the Fibonacci numbers to negative numbers?
29640
If $x \equiv 1 \pmod 3$ and $x \equiv 0 \pmod 2$, what is $x \pmod 6$?
33705
Is $0$ a natural number?
21665
why division by zero is not possible
73881
A question on numerical range
151930
What does it mean by $t=-1$?
38882
If $n$ is a positive integer such that $n^3 − n − 6 = 0$, then, for every positive integer $m$ with $m \not = n$, $m^3 − m − 6 \not = 0$.
44763
Modulo operator with negative values
158257
Is aleph-$0$ a natural number?
138501
Is $\mathbf{Q}(\sqrt{2},\sqrt{3}) = \mathbf{Q}(\sqrt{6})$?
52454
If $x^3 =x$ then $6x=0$ in a ring
51191
Does a negative number really exist?
17515
Why is negative times negative = positive?