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Unverified Commit a9214d8a authored by rrueger's avatar rrueger
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Algebra I: Modules. Remark is relevant to whole chapter, not only subchapter

parent f17a74ef
\chapter{Modules over Principal Ideal Domains}
\section{The Definition of the Module}
The content in the following chapter is presented as it is in Chapter 3 of
Basic Algebra I:\ Second Edition by Nathan Jacobson by recommendation of
\section{The Definition of the Module}
Let $R$ be a ring. A \textbf{left} $R$\textbf{-module} is an additive abelian
group $M$ equipped with a \textbf{scalar multiplication} $R \times M
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