\documentclass[../thesis.tex]{subfiles}
-\begin{document}
-\ifSubfilesClassLoaded{
- \pagenumbering{arabic}
-}{}
+\input{subfilepreamble}
+\begin{document}
+\input{subfileprefix}
\chapter{Samenvatting}%
\label{chp:samenvatting}
\selectlanguage{dutch}