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https://hdl.handle.net/10316/4635
Title: | On first and second countable spaces and the axiom of choice | Authors: | Gutierres, Gonçalo | Keywords: | Axiom of choice; First and second countable space | Issue Date: | 2004 | Citation: | Topology and its Applications. 143:1-3 (2004) 93-103 | Abstract: | In this paper it is studied the role of the axiom of choice in some theorems in which the concepts of first and second countability are used. Results such as the following are established: | URI: | https://hdl.handle.net/10316/4635 | DOI: | 10.1016/j.topol.2004.02.010 | Rights: | openAccess |
Appears in Collections: | FCTUC Matemática - Artigos em Revistas Internacionais |
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