Keremedis, Kyriakos; Tachtsis, Eleftherios On Hausdorff operators in \(\mathsf{ZF} \). (English) Zbl 07738076 Math. Log. Q. 69, No. 3, 347-369 (2023). MSC: 03-XX PDFBibTeX XMLCite \textit{K. Keremedis} and \textit{E. Tachtsis}, Math. Log. Q. 69, No. 3, 347--369 (2023; Zbl 07738076) Full Text: DOI
Tachtsis, Eleftherios \(\mathsf{MA} (\aleph_0)\) restricted to complete Boolean algebras and choice. (English) Zbl 1521.03166 Math. Log. Q. 67, No. 4, 420-431 (2021). MSC: 03E25 03E50 03E35 PDFBibTeX XMLCite \textit{E. Tachtsis}, Math. Log. Q. 67, No. 4, 420--431 (2021; Zbl 1521.03166) Full Text: DOI
Tachtsis, Eleftherios Łoś’s theorem and the axiom of choice. (English) Zbl 1521.03164 Math. Log. Q. 65, No. 3, 280-292 (2019). MSC: 03E25 03C20 PDFBibTeX XMLCite \textit{E. Tachtsis}, Math. Log. Q. 65, No. 3, 280--292 (2019; Zbl 1521.03164) Full Text: DOI
Tachtsis, Eleftherios A note on the deductive strength of the Nielsen-Schreier theorem. (English) Zbl 1521.03165 Math. Log. Q. 64, No. 3, 173-177 (2018). MSC: 03E25 03E35 20E05 PDFBibTeX XMLCite \textit{E. Tachtsis}, Math. Log. Q. 64, No. 3, 173--177 (2018; Zbl 1521.03165) Full Text: DOI
Howard, Paul; Tachtsis, Eleftherios On infinite-dimensional Banach spaces and weak forms of the axiom of choice. (English) Zbl 1469.03137 Math. Log. Q. 63, No. 6, 509-535 (2017). MSC: 03E25 46B20 PDFBibTeX XMLCite \textit{P. Howard} and \textit{E. Tachtsis}, Math. Log. Q. 63, No. 6, 509--535 (2017; Zbl 1469.03137) Full Text: DOI
Tachtsis, Eleftherios On Martin’s axiom and forms of choice. (English) Zbl 1362.03047 Math. Log. Q. 62, No. 3, 190-203 (2016). Reviewer: Samuel Gomes da Silva (Salvador) MSC: 03E25 03E35 03E50 PDFBibTeX XMLCite \textit{E. Tachtsis}, Math. Log. Q. 62, No. 3, 190--203 (2016; Zbl 1362.03047) Full Text: DOI
Howard, Paul; Saveliev, Denis I.; Tachtsis, Eleftherios On the set-theoretic strength of the existence of disjoint cofinal sets in posets without maximal elements. (English) Zbl 1377.03036 Math. Log. Q. 62, No. 3, 155-176 (2016). Reviewer: Daniel W. Cunningham (Buffalo) MSC: 03E25 03E35 PDFBibTeX XMLCite \textit{P. Howard} et al., Math. Log. Q. 62, No. 3, 155--176 (2016; Zbl 1377.03036) Full Text: DOI
Hall, Eric J.; Keremedis, Kyriakos; Tachtsis, Eleftherios The existence of free ultrafilters on \(\omega \) does not imply the extension of filters on \(\omega \) to ultrafilters. (English) Zbl 1386.03063 Math. Log. Q. 59, No. 4-5, 258-267 (2013). MSC: 03E25 03E35 54D80 54B10 54D30 PDFBibTeX XMLCite \textit{E. J. Hall} et al., Math. Log. Q. 59, No. 4--5, 258--267 (2013; Zbl 1386.03063) Full Text: DOI
Howard, Paul; Tachtsis, Eleftherios On vector spaces over specific fields without choice. (English) Zbl 1278.03082 Math. Log. Q. 59, No. 3, 128-146 (2013). Reviewer: Samuel Gomes da Silva (Salvador) MSC: 03E25 03E35 15A03 PDFBibTeX XMLCite \textit{P. Howard} and \textit{E. Tachtsis}, Math. Log. Q. 59, No. 3, 128--146 (2013; Zbl 1278.03082) Full Text: DOI Backlinks: MO
Herrlich, Horst; Tachtsis, Eleftherios Odd-sized partitions of Russell-sets. (English) Zbl 1201.03040 Math. Log. Q. 56, No. 2, 185-190 (2010). Reviewer: Marius Tărnăuceanu (Iaşi) MSC: 03E10 03E25 03E35 05A18 PDFBibTeX XMLCite \textit{H. Herrlich} and \textit{E. Tachtsis}, Math. Log. Q. 56, No. 2, 185--190 (2010; Zbl 1201.03040) Full Text: DOI
De la Cruz, Omar; Hall, Eric; Howard, Paul; Keremedis, Kyriakos; Tachtsis, Eleftherios Properties of the real line and weak forms of the axiom of choice. (English) Zbl 1080.03033 Math. Log. Q. 51, No. 6, 598-609 (2005). Reviewer: Péter Komjáth (Budapest) MSC: 03E25 03E35 PDFBibTeX XMLCite \textit{O. De la Cruz} et al., Math. Log. Q. 51, No. 6, 598--609 (2005; Zbl 1080.03033) Full Text: DOI
Keremedis, Kyriakos; Tachtsis, Eleftherios Countable sums and products of metrizable spaces in ZF. (English) Zbl 1059.03048 Math. Log. Q. 51, No. 1, 95-103 (2005). Reviewer: Horst Herrlich (Bremen) MSC: 03E25 54A35 54E35 54B10 54D30 54D65 54E45 PDFBibTeX XMLCite \textit{K. Keremedis} and \textit{E. Tachtsis}, Math. Log. Q. 51, No. 1, 95--103 (2005; Zbl 1059.03048) Full Text: DOI
Keremedis, Kyriakos; Tachtsis, Eleftherios Choice principles for special subsets of the real line. (English) Zbl 1046.03029 Math. Log. Q. 49, No. 5, 444-454 (2003). Reviewer: Benedikt Löwe (Amsterdam) MSC: 03E25 28A05 54E52 PDFBibTeX XMLCite \textit{K. Keremedis} and \textit{E. Tachtsis}, Math. Log. Q. 49, No. 5, 444--454 (2003; Zbl 1046.03029) Full Text: DOI
Howard, Paul; Keremedis, Kyriakos; Rubin, Jean E.; Stanley, Adrienne; Tatchtsis, Eleftherios Non-constructive properties of the real numbers. (English) Zbl 0986.03037 Math. Log. Q. 47, No. 3, 423-431 (2001). Reviewer: A.Tauts (Tallinn) MSC: 03E25 PDFBibTeX XMLCite \textit{P. Howard} et al., Math. Log. Q. 47, No. 3, 423--431 (2001; Zbl 0986.03037) Full Text: DOI
Keremedis, Kyriakos; Tachtsis, Eleftherios Some weak forms of the axiom of choice restricted to the real line. (English) Zbl 1001.03044 Math. Log. Q. 47, No. 3, 413-422 (2001). Reviewer: Norbert Brunner (Wien) MSC: 03E25 03E35 03E40 03E45 PDFBibTeX XMLCite \textit{K. Keremedis} and \textit{E. Tachtsis}, Math. Log. Q. 47, No. 3, 413--422 (2001; Zbl 1001.03044) Full Text: DOI
Keremedis, Kyriakos; Tachtsis, Eleftherios Compact metric spaces and weak forms of the axiom of choice. (English) Zbl 0968.03057 Math. Log. Q. 47, No. 1, 117-128 (2001). Reviewer: Norbert Brunner (Wien) MSC: 03E25 54A35 54D65 54E35 54E45 PDFBibTeX XMLCite \textit{K. Keremedis} and \textit{E. Tachtsis}, Math. Log. Q. 47, No. 1, 117--128 (2001; Zbl 0968.03057) Full Text: DOI
Keremedis, Kyriakos; Tachtsis, Eleftherios On Lindelöf metric spaces and weak forms of the axiom of choice. (English) Zbl 0952.03060 Math. Log. Q. 46, No. 1, 35-44 (2000). Reviewer: T.Thrivikraman (Cochin) MSC: 03E25 54D20 54A35 PDFBibTeX XMLCite \textit{K. Keremedis} and \textit{E. Tachtsis}, Math. Log. Q. 46, No. 1, 35--44 (2000; Zbl 0952.03060) Full Text: DOI