Fungrim entry: a0845d

z \in \mathbb{C} \setminus \{0, -1, \ldots\} \;\implies\; \psi\!\left(z\right) \in \mathbb{C}

TeX:

z \in \mathbb{C} \setminus \{0, -1, \ldots\} \;\implies\; \psi\!\left(z\right) \in \mathbb{C}

Definitions:

Fungrim symbol	Notation	Short description
`CC`	$\mathbb{C}$	Complex numbers
`ZZLessEqual`	$\mathbb{Z}_{\le n}$	Integers less than or equal to n
`DigammaFunction`	$\psi\!\left(z\right)$	Digamma function

Source code for this entry:

Entry(ID("a0845d"),
    Formula(Implies(Element(z, SetMinus(CC, ZZLessEqual(0))), Element(DigammaFunction(z), CC))),
    Variables(z))

Topics using this entry

2021-03-15 19:12:00.328586 UTC