\documentclass[twoside=semi,chapterprefix=true,headings=big]{skript}
\title{Funktionalanalysis}
\subtitle{Mitschrift zur Vorlesung}
\author{Prof. Dr. Maier-Paape}
\date{WS 17/18}

\newcommand\norm[1]{\left\|#1\right\|}
\def\R{\mathbb{R}}
\def\C{\mathbb{C}}
\def\K{\mathbb{K}}
\def\N{\mathbb{N}}
\def\L{\mathcal{L}}
\def\T{\mathcal{T}}
\def\U{\mathcal{U}}
\def\eps{\varepsilon}
\def\iff{\Leftrightarrow}
\def\gdw{\Longleftrightarrow}
\newcommand\cl[1]{\overline{#1}}
\newcommand\Pot[1]{\mathcal{P}(#1)}
\DeclareMathOperator{\End}{End}
\DeclareMathOperator{\grad}{grad}
\DeclareMathOperator{\lspan}{span}
\DeclareMathOperator{\im}{im}
\let\Re\relax
\DeclareMathOperator{\Re}{Re}
\let\Im\relax
\DeclareMathOperator{\Im}{Im}
\def\phi{\varphi}
\def\Tnat{\ensuremath{\T_{\mathrm{nat}}}}
\def\Tcof{\ensuremath{\T_{\mathrm{cof}}}}

\begin{document}
\maketitle

\tableofcontents
\cleardoublepage

\input{inhalt}

\end{document}