Abstract
In this note, two well-known topological facts regarding cofinite and cocountable-like topologies over uncountable sets are shown to be equivalent either to the Countable Union Theorem or to the Countable Union Theorem for countable families of finite sets.
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da Silva, S.G. Topological equivalences of \(\mathbf {CUT}\) and \(\mathbf {CUT(Fin)}\) . Arch. Math. Logic 55, 867–872 (2016). https://doi.org/10.1007/s00153-016-0504-9
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DOI: https://doi.org/10.1007/s00153-016-0504-9