Leigh.Samphier/Sandbox/Definition:Ideal of Null Sequences

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Definition

Let $\struct {R, \norm {\, \cdot \,}_R }$ be a normed division ring.

Let $\CC$ be the ring of Cauchy sequences over $R$


The set of null sequences $\NN$ over $R$ is called the ideal of null sequences in $\CC$.


Also see