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Fix a typo in algebraic_topology_iii.tex #211

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Fix a typo in algebraic_topology_iii.tex #211

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2 changes: 1 addition & 1 deletion III_M/algebraic_topology_iii.tex
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Expand Up @@ -2456,7 +2456,7 @@ \section{Cup product}
\end{prop}

\begin{proof}[Proof of previous proposition]
Let $\rho_n: C_n(X) \to C_n(x)$ be given by
Let $\rho_n: C_n(X) \to C_n(X)$ be given by
\[
\sigma \mapsto (-1)^{n(n + 1)/2} \sigma|_{[v_n, v_{n - 1}, \ldots, v_0]}
\]
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