deletions | additions       diff --git a/header.tex b/header.tex  index 55d68af..bb52b55 100644  --- a/header.tex  +++ b/header.tex 
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\newtheorem{definition}{\textbf{Definici\'on}}[section]  \newtheorem{claim}{\textbf{Afirmaic\'on}}[section]  \newtheorem{lemma}[definition]{\textbf{Lema}}  \newtheorem{proposition}[definition]{\textbf{Proposici\'on}}  \newtheorem{corollary}[definition]{\textbf{Corolario}}