Created the Abstract Algebra theorems and definitions cheat sheet

2024-01-09 11:30:56 -07:00
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+\section{Definition and Notation}
+
+\begin{definition}[Permutation of $\mathbf{A}$, Permutation Group of $\mathbf{A}$]
+	A \textit{permutation} of a set $A$ is a function from $A$ to $A$ that is both one-to-one and onto. A \textit{permutation group} of a set $A$ is a set of permutations of $A$ that forms a group under function composition.
+\end{definition}