The weak □* is really weaker than the full □

Author:

Ben-David Shai,Magidor Menachem

Abstract

AbstractWe show that relative to the consistency of a supercompact cardinal does not imply . The model-theoretic transfer property ⟨ℵ1, ℵ0⟩ → ⟨ℵω + 1, ℵω⟩ does not imply , and it is consistent to have an ultrafilter on ℵω + 1 which is λ-indecomposible for all ω < λ < ℵω.

Publisher

Cambridge University Press (CUP)

Subject

Logic,Philosophy

Reference9 articles.

1. Strong axioms of infinity and elementary embeddings

2. On descendingly complete ultrafilters

3. On the singular cardinals problem I

4. The fine structure of the constructible hierarchy;Jensen;Annals of Mathematical Logic

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