deletions | additions       diff --git a/header.tex b/header.tex  index 5a6a679..1134bbd 100644  --- a/header.tex  +++ b/header.tex 
...
\newtheorem{remark}[definition]{\textbf{Observaci\'on}}  \newtheorem{example}[definition]{\textit{Ejemplo}}  \newtheorem{appendice}[definition]{\textbf{Ap\'endice}}  \newcounter{prop}[section]