Consider $mathbb{R}^{2}$ equipped with the discrete metric $$d(x, y)= begin{cases}1 & text { if } x eq
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Consider $\mathbb{R}^{2}$ equipped with the discrete metric
$$d(x, y)= \begin{cases}1 & \text { if } x eq y \\ 0 & \text { if } x=y\end{cases}$$
where $x$ and $y$ are elements of $\mathbb{R}^{2}$, and with the corresponding metric topology $\tau_{d}$. Is $\left(\mathbb{R}^{2}, \tau_{d}\right)$ connected? Give a proof. Show also that $d(x, y)$ satisfies the definition of a metric.
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Related Book For
Mathematical Methods For Physics An Introduction To Group Theory Topology And Geometry
ISBN: 9781107191136
1st Edition
Authors: Esko Keski Vakkuri, Claus Montonen, Marco Panero
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