Created the Abstract Algebra theorems and definitions cheat sheet

part-4/chapters/chapter-22/classification-of-finite-fields.tex

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+\section{Classification of Finite Fields}
+
+\begin{theorem}[Classification of Finite Fields]
+	For each prime $p$ and each positive integer $n$, there is, up to isomorphism, a unique finite field of order $p^n$.
+\end{theorem}