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2
Most ‘unintuitive’ application of the Axiom of Choice?
6
Is it possible to show that an infinite set has a countable (infinite) subset, without using the Axiom of Choice?
18
Asymptotic density of provable statements in ZFC
15
A random walk on natural numbers
4
Total order on the powerset
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About deformation retract
9
Choice function on the countable subsets of the reals
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Families of finite groups arising from direct products…
5
Compactness theorem with preserved substructure