Top network posts

• 27 Why did Bourbaki's Élements omit the theory of categories?
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• 20 If all balls at $x$ and $y$ are isometric is there an isometry sending $x$ to $y$?
• 14 A question in general topology
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• 13 Can you write $\mathbb R^2$ as a disjoint union of two totally disconnected sets?
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