deletions | additions       diff --git a/header.tex b/header.tex  index b46a619..4617691 100644  --- a/header.tex  +++ b/header.tex 
...
\def\intregi{\mathbb{Z}}  \def\complexe{\mathbb{C}}  \def\naturale{\mathbb{N}}  \def\paper{paper}  \newcommand{\multime}[1]{\left\{ #1 \right\}}  \newcommand{\definitie}[1]{\textbf{#1}}  \newcommand{\ghilimele}[1]{``#1"}