Abstract Algebra
《Abstract Algebra》 · 第 344 页 · Section 10.1「Basic Definitions and Examples」,Exercise 8
An element $m$ of the $R$-module $M$ is called a torsion element if $rm=0$ for some nonzero element $r\in R$.
Abstract Algebra
《Abstract Algebra》 · 第 344 页 · Section 10.1「Basic Definitions and Examples」,Exercise 8
An element $m$ of the $R$-module $M$ is called a torsion element if $rm=0$ for some nonzero element $r\in R$.
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