ThmDex – An index of mathematical definitions, results, and conjectures.
Set of symbols
Alphabet
Deduction system
Theory
Zermelo-Fraenkel set theory
Set
Binary cartesian set product
Binary relation
Map
Identity map
Canonical identity map
Canonical identity function
Definition D6031
Canonical real identity function
Formulation 0
The canonical real identity function is the D4364: Real function \begin{equation} \mathbb{R} \to \mathbb{R}, \quad x \mapsto x \end{equation}