ON RESTRICTIONS OF ULTRAFILTERS FROM GENERIC EXTENSIONS TO GROUND MODELS
Autor: | MOTI GITIK, EYAL KAPLAN |
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Rok vydání: | 2022 |
Předmět: | |
Zdroj: | The Journal of Symbolic Logic. 88:169-190 |
ISSN: | 1943-5886 0022-4812 |
DOI: | 10.1017/jsl.2022.26 |
Popis: | Let P be a forcing notion and $G\subseteq P$ its generic subset. Suppose that we have in $V[G]$ a $\kappa{-}$ complete ultrafilter1,2W over $\kappa $ . Set $U=W\cap V$ . |
Databáze: | OpenAIRE |
Externí odkaz: |