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Fungrim entry: e7aef3

ψ ⁣(z) is holomorphic on zC{0,1,}\psi\!\left(z\right) \text{ is holomorphic on } z \in \mathbb{C} \setminus \{0, -1, \ldots\}
TeX:
\psi\!\left(z\right) \text{ is holomorphic on } z \in \mathbb{C} \setminus \{0, -1, \ldots\}
Definitions:
Fungrim symbol Notation Short description
IsHolomorphicf(z) is holomorphic at z=cf(z) \text{ is holomorphic at } z = c Holomorphic predicate
DigammaFunctionψ ⁣(z)\psi\!\left(z\right) Digamma function
CCC\mathbb{C} Complex numbers
ZZLessEqualZn\mathbb{Z}_{\le n} Integers less than or equal to n
Source code for this entry:
Entry(ID("e7aef3"),
    Formula(IsHolomorphic(DigammaFunction(z), ForElement(z, SetMinus(CC, ZZLessEqual(0))))))

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2021-03-15 19:12:00.328586 UTC