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Unverified Commit 63d6edb2 authored by rrueger's avatar rrueger
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Algebra II: Lecture 9. Grammar

parent e7c0af73
......@@ -100,7 +100,7 @@ and the question becomes, for which $n$ can we construct $\omega _n = e^{\frac{2
\pi}{n} \ii}$? Again, we know that this is only constructible if $\omega _n \in
E$ for which $E$ has a complete tower of degree 2 extensions reaching down to
$\Q$. This is useful, as this is a completely algebraic description of our
problem. We now, only interested in the extension of $\Q (\omega _n) / \Q$.
problem. We are now only interested in the extension of $\Q (\omega _n) / \Q$.
\subsection{The extension $\Q (\omega _n) / \Q$}
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