Suppose that $x\neq 0$, show that $\frac{1}{x}\neq 0$
This seems like it should be simple, but I don't even know how to start to prove this.
Suppose that $x\neq 0$, show that $\frac{1}{x}\neq 0$
This seems like it should be simple, but I don't even know how to start to prove this.
If $\frac1x=0$ and $x\ne0$, then $x\cdot\frac1x=x\cdot 0$, id est $1=0$.