Year: 2025
Type: article
Abstract: We use indecomposable ultrafilters to answer some questions from Hayut and Karagila (in Comments Math Univ Carolin 60(2):285–298, 2019). It is shown that the bound on the strength of Usuba (in A note on uniform ultrafilters in choiceless context, arXiv:2401.04871v1 ) is optimal.
Source: Archive for Mathematical Logic
Authors: Eilon Bilinsky, Moti Gitik
Language: English
Subfield: Geometry and Topology
Field: Mathematics
Domain: Physical Sciences
Open Access status: hybrid
Estimated APC paid: $3,190
Award: G7842332035
OpenAlex ID: W4414804440