Mathematics
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studios.93
  • Member for 4 years, 6 months
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Aç kapını, çünkü ben geldim.

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Is the space $(\mathbb{R}\setminus\mathbb{Q},d)$ separable with the metric $d(x,y)=\frac{|x-y|}{1+|x-y|}$?
Dec 9, 2019
question
1
Show that, for each nonempty subset $\mathcal{N}$ of $\mathbb{N}$, the function...
Oct 16, 2019
question
1
Is the set $A=\{x \in X:$ the set $x \enspace [0,1] \cap (\mathbb{R\setminus \mathbb{Q}})$ is at most countable $\}$ connected in $X$?
Dec 7, 2019
question
1
Finding finite intersection property for non-compact spaces
Dec 9, 2019
question
0
Diameter and distance problem in post office metric
Oct 16, 2019