Kolimiten
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@ -341,8 +341,72 @@ aussehen können.
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Für dieses $I$ sind die Kolimiten die \textit{Koprodukte}.\\
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Für dieses $I$ sind die Kolimiten die \textit{Koprodukte}.\\
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\underline{Beispiel \cat{Set}:}\\
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\underline{Beispiel \cat{Set}:}\\
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\begin{center}
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\begin{center}
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\begin{tikzpicture}
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\begin{tikzpicture}[baseline=0mm]
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\node (L) at (0,0){$M\dot{\cup} N$};
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\node[red] (L) at (0,0){$M\dot{\cup} N$};
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\node[blue] (T) at (0,-2){$T$};
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\node (M) at (-2,2){$M$};
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\node (N) at (2,2){$N$};
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\draw
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(M) edge node[sloped, above]{$m\mapsto m$} (L)
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(N) edge node[sloped, above]{$n\mapsto n$}(L)
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(L) edge[dotted] node[right]{$\varphi$} (T)
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(M) edge[blue, bend right] node[left]{$f_M$} (T)
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(N) edge[blue, bend left] node[right]{$f_N$} (T)
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;
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\end{tikzpicture}
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\end{tikzpicture}
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\hspace{20mm}
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$\varphi:M\dot{\cup}N\mapsto T$ mit
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$x\mapsto
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\begin{cases}
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f_M(x) & x\in M \\
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f_N(x) & x\in N
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\end{cases}
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$
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\end{center}
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\underline{Beispiel \cat{K-VR}:}\\
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\begin{center}
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\begin{tikzpicture}[baseline=0mm]
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\node[red] (L) at (0,0){$V\oplus W$};
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\node[blue] (T) at (0,-2){$T$};
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\node (M) at (-2,2){$V$};
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\node (N) at (2,2){$W$};
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\draw
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(M) edge node[sloped, above]{$v\mapsto (v,0)$} (L)
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(N) edge node[sloped, above]{$w\mapsto (0,w)$}(L)
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(L) edge[dotted] node[right]{$\varphi$} (T)
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(M) edge[blue, bend right] node[left]{$f_V$} (T)
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(N) edge[blue, bend left] node[right]{$f_W$} (T)
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;
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\end{tikzpicture}
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\hspace{20mm}
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$\varphi:V\oplus W\mapsto T$ mit
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$(v,w)\mapsto f_V(v) + f_W(w) $
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\end{center}
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\underline{Beispiel \cat{Grp}:\\}
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\begin{center}
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\begin{minipage}{0.3\linewidth}
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\begin{tikzpicture}[baseline=0mm]
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\node[red] (L) at (0,0){$G*H$};
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\node[blue] (T) at (0,-2){$T$};
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\node (M) at (-2,2){$G$};
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\node (N) at (2,2){$H$};
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\draw
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(M) edge (L)
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(N) edge (L)
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(L) edge[dotted] node[right]{$\varphi$} (T)
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(M) edge[blue, bend right] node[left]{$f_G$} (T)
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(N) edge[blue, bend left] node[right]{$f_H$} (T)
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;
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\end{tikzpicture}
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\end{minipage}
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\hspace{25mm}
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\begin{minipage}{0.5\linewidth}
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$G*H$ bezeichnet dabei die Menge aller Worte in $G$ und $H$.\\
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$\varphi: G*H\mapsto T$ ersetzt im Wort $g$ durch $f_G(G)$ und $h$
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durch $f_H(h)$.
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\end{minipage}
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\end{center}
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\end{center}
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\end{example}
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\end{example}
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