1. A note on the deductive strength of the Nielsen‐Schreier theorem. Issue 3 (3rd July 2018) Authors: Tachtsis, Eleftherios Journal: Mathematical logic quarterly Issue: Volume 64:Issue 3(2018) Page Start: 173 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. MA(ℵ0) restricted to complete Boolean algebras and choice. Issue 4 (17th November 2021) Authors: Tachtsis, Eleftherios Journal: Mathematical logic quarterly Issue: Volume 67:Issue 4(2021) Page Start: 420 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. On infinite‐dimensional Banach spaces and weak forms of the axiom of choice. Issue 6 (29th December 2017) Authors: Howard, Paul; Tachtsis, Eleftherios Journal: Mathematical logic quarterly Issue: Volume 63:Issue 6(2017) Page Start: 509 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. On Martin's Axiom and Forms of Choice. Issue 3 (13th April 2016) Authors: Tachtsis, Eleftherios Journal: Mathematical logic quarterly Issue: Volume 62:Issue 3(2016) Page Start: 190 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
5. On the set‐theoretic strength of the existence of disjoint cofinal sets in posets without maximal elements. Issue 3 (27th May 2016) Authors: Howard, Paul; Saveliev, Denis I.; Tachtsis, Eleftherios Journal: Mathematical logic quarterly Issue: Volume 62:Issue 3(2016) Page Start: 155 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
6. On vector spaces over specific fields without choice. Issue 3 (16th April 2013) Authors: Howard, Paul; Tachtsis, Eleftherios Journal: Mathematical logic quarterly Issue: Volume 59:Issue 3(2013) Page Start: 128 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
7. The existence of free ultrafilters on ω does not imply the extension of filters on ω to ultrafilters. Issue 4 (5th August 2013) Authors: Hall, Eric J.; Keremedis, Kyriakos; Tachtsis, Eleftherios Journal: Mathematical logic quarterly Issue: Volume 59:Issue 4/5(2013) Page Start: 258 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
8. Łoś's theorem and the axiom of choice. Issue 3 (30th September 2019) Authors: Tachtsis, Eleftherios Journal: Mathematical logic quarterly Issue: Volume 65:Issue 3(2019) Page Start: 280 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗