Assumptions:
TeX:
\left|\operatorname{sgn}\!\left(z\right)\right| \le 1
z \in \mathbb{C}Definitions:
| Fungrim symbol | Notation | Short description |
|---|---|---|
| Abs | Absolute value | |
| Sign | Sign function | |
| CC | Complex numbers |
Source code for this entry:
Entry(ID("432926"),
Formula(LessEqual(Abs(Sign(z)), 1)),
Variables(z),
Assumptions(Element(z, CC)))