TeX:
W\!\left(z\right) \text{ is holomorphic on } z \in \mathbb{C} \setminus \left(-\infty, -{e}^{-1}\right]Definitions:
| Fungrim symbol | Notation | Short description |
|---|---|---|
| IsHolomorphic | Holomorphic predicate | |
| LambertW | Lambert W-function | |
| CC | Complex numbers | |
| OpenClosedInterval | Open-closed interval | |
| Infinity | Positive infinity | |
| Exp | Exponential function |
Source code for this entry:
Entry(ID("0d3b91"),
Formula(IsHolomorphic(LambertW(z), ForElement(z, SetMinus(CC, OpenClosedInterval(Neg(Infinity), Neg(Exp(-1))))))))