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The principle that "any product of cofinite topologies is compact" is equivalent (without appealing to the Axiom of Choice) to the Boolean Prime Ideal Theorem.
Eric Schechter. "Kelley's specialization of Tychonoff's Theorem is equivalent to the Boolean Prime Ideal Theorem." Fundamenta Mathematicae 189.3 (2006): 285-288. <http://eudml.org/doc/282783>.
@article{EricSchechter2006, abstract = {The principle that "any product of cofinite topologies is compact" is equivalent (without appealing to the Axiom of Choice) to the Boolean Prime Ideal Theorem.}, author = {Eric Schechter}, journal = {Fundamenta Mathematicae}, keywords = {axiom of choice; Boolean prime ideal theorem; product topology; Tikhonov theorem; universal net; ultrafilter; cofinite topology}, language = {eng}, number = {3}, pages = {285-288}, title = {Kelley's specialization of Tychonoff's Theorem is equivalent to the Boolean Prime Ideal Theorem}, url = {http://eudml.org/doc/282783}, volume = {189}, year = {2006}, }
TY - JOUR AU - Eric Schechter TI - Kelley's specialization of Tychonoff's Theorem is equivalent to the Boolean Prime Ideal Theorem JO - Fundamenta Mathematicae PY - 2006 VL - 189 IS - 3 SP - 285 EP - 288 AB - The principle that "any product of cofinite topologies is compact" is equivalent (without appealing to the Axiom of Choice) to the Boolean Prime Ideal Theorem. LA - eng KW - axiom of choice; Boolean prime ideal theorem; product topology; Tikhonov theorem; universal net; ultrafilter; cofinite topology UR - http://eudml.org/doc/282783 ER -