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A community database of topological counterexamples
https://topology.pi-base.org/
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S142: Erdős space #633

Closed prabau closed 2 months ago

prabau commented 2 months ago

This provides a classical example of a space that is metrizable, totally separated, but not zero-dimensional: https://topology.pi-base.org/spaces?q=Totally+Separated%2BMetrizable%2B%7EZero+Dimensional

Closes #315.

Plus tweaks for the S30 (Hilbert space) README.