deletions | additions       diff --git a/header.tex b/header.tex  index 02a9338..baaeec1 100644  --- a/header.tex  +++ b/header.tex 
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\def\reale{\mathbb{R}}  \def\intregi{\mathbb{Z}}  \def\complexe{\mathbb{C}}  \def\naturale{\mathbb{N}}  \newcommand{\multime}[1]{\left\{ #1 \right\}}  \newtheorem{definitie}{Definition}  \newtheorem{afirmatie}{Claim}