Assumptions:
TeX:
\left|\log\!\left(z\right)\right| = \sqrt{{\left(\log\!\left(\left|z\right|\right)\right)}^{2} + {\left(\arg\!\left(z\right)\right)}^{2}} z \in \mathbb{C} \setminus \left\{0\right\}
Definitions:
Fungrim symbol | Notation | Short description |
---|---|---|
Abs | Absolute value | |
Log | Natural logarithm | |
Sqrt | Principal square root | |
Pow | Power | |
Arg | Complex argument | |
CC | Complex numbers |
Source code for this entry:
Entry(ID("dcc1e5"), Formula(Equal(Abs(Log(z)), Sqrt(Add(Pow(Log(Abs(z)), 2), Pow(Arg(z), 2))))), Variables(z), Assumptions(Element(z, SetMinus(CC, Set(0)))))