Commentary by Chris Pressey
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Closure Systems
Introduction to Uniform Spaces
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A uniform space is sort of halfway between a metric space and a topological space.
reference request - What happens if you strip everything but the "between" relation in metric spaces - MathOverflow
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soft question - Why does intersection always preserve \"closed\" structures? - Mathematics Stack Exchange
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combinatorics - Is the disjoint union of two Matroids a Matroid itself? - Mathematics Stack Exchange
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