P-Sequence Space with P-Norm forms Normed Vector Space
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Theorem
A $p$-Sequence Space with a $p$-norm forms a normed vector space.
Proof
We have that:
By definition, $\struct {\ell^p, \norm {\, \cdot \,}_p}$ is a normed vector space.
$\blacksquare$
Sources
- 2017: Amol Sasane: A Friendly Approach to Functional Analysis ... (previous) ... (next): $\S 1.4$: Normed and Banach spaces. Sequences in a normed space; Banach spaces