began yoneda chapter

chapters/yoneda.tex

@@ -0,0 +1,4 @@
+\section{Das Yoneda Lemma}
+Sei $\mathcal{F}:\mathscr{C}\mapsto\cat{set}$ ein Funktor und $x\in\ob\mathscr{C}$. Dann gilt:\\
+$\text{NatTrafo}(\mor{\mathscr{C}}{X}{\_}, \mathcal{F}(\_))\cong\mathcal{F}(X)$ mit\\
+$\eta\xrightarrow{Yo}\eta_X(\text{id}_X)$

main.tex

@@ -33,4 +33,5 @@ every edge/.style = {draw, -to}
 \include{./chapters/Grundlagen.tex}
 \include{./chapters/Kegel_und_Ko.tex}
 \include{./chapters/nat_trafo.tex}
+\include{./chapters/yoneda.tex}
 \end{document}