deletions | additions       diff --git a/header.tex b/header.tex  index 4617691..975f7d6 100644  --- a/header.tex  +++ b/header.tex 
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\def\intregi{\mathbb{Z}}  \def\complexe{\mathbb{C}}  \def\naturale{\mathbb{N}}  \def\paper{paper} \def\paper{paper }  \newcommand{\multime}[1]{\left\{ #1 \right\}}  \newcommand{\definitie}[1]{\textbf{#1}}  \newcommand{\ghilimele}[1]{``#1"}