\begin{definition}[Definition:Apotome/Whole]
Let $a, b \in \set {x \in \R_{>0} : x^2 \in \Q}$ be two rationally expressible numbers such that $a > b$.
Let $a - b$ be an apotome.
The real number $a$ is called the '''whole''' of the apotome.
Category:Definitions/Apotome
\end{definition}