diff --git a/chapters/Kegel_und_Ko.tex b/chapters/Kegel_und_Ko.tex
index ec90da6..9f52a18 100644
--- a/chapters/Kegel_und_Ko.tex
+++ b/chapters/Kegel_und_Ko.tex
@@ -410,3 +410,43 @@ aussehen können.
         \end{minipage}
     \end{center}
 \end{example}
+\subsection{Pullback und Pushout}
+\begin{definition}{Pullback\\}
+    Ein Pullback ist der Limes des Diagramms
+    \begin{tikzpicture}[baseline=0mm]
+        \node (A) at (0,0){$\cdot$};
+        \node (B) at (1,0){$\cdot$};
+        \node (C) at (1,1){$\cdot$};
+
+        \draw
+        (A) edge (B)
+        (C) edge (B)
+        ;
+    \end{tikzpicture}
+    also ein Limes $L$, sodass folgendes Diagramm kommutiert:\\
+    \begin{figure}[h]
+        \begin{center}
+            \begin{tikzpicture}
+                \node (A) at (0,0){$\cdot$};
+                \node (B) at (2,0){$\cdot$};
+                \node (C) at (2,2){$\cdot$};
+                \node[red] (L) at (0,2){$L$};
+                \node[blue] (T) at (-1,3){$T$};
+
+                \draw
+                (A) edge (B)
+                (C) edge (B)
+                (L) edge[red] (A)
+                (L) edge[red]  (C)
+                (T) edge[dotted] (L)
+                (T) edge[blue, bend right] (A)
+                (T) edge[blue, bend left] (C)
+                ;
+            \end{tikzpicture}
+        \end{center}
+        \caption{Das Kommutative Diagramm für einen Pullback}
+    \end{figure}
+\end{definition}
+\begin{example}{Pullback über der Kategorie \cat{K-VR}\\}
+    
+\end{example}
\ No newline at end of file
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