Set of symbols
Alphabet
Deduction system
Theory
Zermelo-Fraenkel set theory
Set
Binary cartesian set product
Binary relation
Map
Function
Real collection function
Euclidean real function
Real function
Rational function
Integer function
Formulation 0
Let $\mathbb{Z}$ be the D367: Set of integers.
A D18: Map $f : X \to Y$ is an integer function if and only if \begin{equation} Y \subseteq \mathbb{Z} \end{equation}
Child definitions
» D4949: Natural number function