finished metric spaces

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Robert 2021-03-28 01:33:45 +01:00
parent bdcb40e561
commit c74c37a2c5
7 changed files with 344 additions and 1 deletions

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@ -304,7 +304,7 @@ Let $V$ be a vector space. A non-empty set $W \subset V$ is called a vector subs
\begin{eg}
Consider
\[
W = \set[chi \in \realn]{(\chi, \chi) \in \realn^2}
W = \set[\chi \in \realn]{(\chi, \chi) \in \realn^2}
\]
This is a subspace, because
\[