Let $\mathbb{C}$ be the D372: Set of complex numbers.
A D992: Function $f : X \to Y$ is an arithmetic function if and only if
(1) | \begin{equation} X \subseteq \mathbb{N} \end{equation} |
(2) | \begin{equation} Y \subseteq \mathbb{C} \end{equation} |
▼ | Set of symbols |
▼ | Alphabet |
▼ | Deduction system |
▼ | Theory |
▼ | Zermelo-Fraenkel set theory |
▼ | Set |
▼ | Binary cartesian set product |
▼ | Binary relation |
▼ | Map |
▼ | Function |
(1) | \begin{equation} X \subseteq \mathbb{N} \end{equation} |
(2) | \begin{equation} Y \subseteq \mathbb{C} \end{equation} |
▶ | Möbius function |