**@Pablo.Alises**

If you want to edit/add anything, shoot me a message and I will give you access.

Alternatively, if you're logged into Notion you can leave a comment in the desired section.

$$ \textbf {Chapter 2: \textit {Number Systems}} $$

$$ \textbf {\textit {PROPOSITION 2.1}} $$

$$ \textit{Between any two rationals there is another rational.} $$

$$ \textbf {\textit {PROPOSITION 2.2}} $$

$$ \textit{There is a real number } \alpha \textit{ such that } \alpha ^2 =2. $$

$$ \textbf {\textit {PROPOSITION 2.3}} $$

$$ \sqrt{2}\textit{ is not rational.} $$

$$ \textbf {\textit {PROPOSITION 2.4}} $$

$$ \textit{Let a be a rational number, and b an irrational.} $$