1-1 function means simple zero?
71094
Proof that 1-1 analytic functions have nonzero derivative
34024
Are +0 and -0 the same?
31954
Why this proof $0=1$ is wrong?(breakfast joke)
37436
In PHP, 0 (int, zero) is equal to "first" or "last" (strings)?
61782
How to prove that $f(x) = \frac{-2x+1}{(2x-1)^2-1}$ is one-to-one on $(0,1)$?
156235
Are $x \cdot 0 = 0$, $x \cdot 1 = x$, and $-(-x) = x$ axioms?
95350
Why does 1 // 0.1 == 9.0?
107390
Why is (-1)(-1) = 1?
41645
Checking my understanding: $1 - 1 + 1 - 1 + 1 - ... = \frac{1}{2}$
95057
Possible fake proof of $1= -1$
14150
Zero to the zero power – is $0^0=1$?
6482
Why aren't the functions $f(x) = \frac{x-1}{x-1}$ and $f(x) = 1$ the same?
14633
What's the thing with $\sqrt{-1} = i$
8072
Why Is a Function Defined As Having Only One Y-Value Output?
122076
A one line proof that one is zero using Mathematica 10
92055
In JavaScript, why is "0" equal to false, but when tested by 'if' it is not false by itself?
80710
Does $\int_{-1}^1 \frac 1 x dx$ equal zero?