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On Closure Operators, the Reals, and choice
Abstract
to our friend Guillaume Brümmer on the occasion of
his 70th birthday.
Abstract unavailable at this time...
Mathematics Subject Classification (2000): 03E25, 54A05, 54D50, 54D55.
Key words: Axiom of countable choice, closure operator, sequential space, k-space.
Quaestiones Mathematicae 27(2004), 147-151.