Assumptions:
TeX:
\left(z\right)_{k + 1} = \left(z + k\right) \left(z\right)_{k}
z \in \mathbb{C} \;\mathbin{\operatorname{and}}\; k \in \mathbb{Z}_{\ge 0}Definitions:
| Fungrim symbol | Notation | Short description |
|---|---|---|
| RisingFactorial | Rising factorial | |
| CC | Complex numbers | |
| ZZGreaterEqual | Integers greater than or equal to n |
Source code for this entry:
Entry(ID("fe9fb7"),
Formula(Equal(RisingFactorial(z, Add(k, 1)), Mul(Add(z, k), RisingFactorial(z, k)))),
Variables(z, k),
Assumptions(And(Element(z, CC), Element(k, ZZGreaterEqual(0)))))