deletions | additions       diff --git a/header.tex b/header.tex  index 6be7d8f..02a9338 100644  --- a/header.tex  +++ b/header.tex 
...
\def\intregi{\mathbb{Z}}  \def\complexe{\mathbb{C}}  \newtheorem{definitie}{Definitie}  \newtheorem{afirmatie}{Afirmatie} \newtheorem{definitie}{Definition}  \newtheorem{afirmatie}{Claim}  \newtheorem*{argument}{Argument}  \newtheorem{notatie}{Notatie} \newtheorem{notatie}{Notation}