On certain indestructibility of strong cardinals and a question of Hajnal

Archive for Mathematical Logic 28 (1):35-42 (1989)

Abstract
A model in which strongness ofκ is indestructible under κ+ -weakly closed forcing notions satisfying the Prikry condition is constructed. This is applied to solve a question of Hajnal on the number of elements of {λ δ |2 δ <λ}
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DOI 10.1007/BF01624081
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References found in this work BETA

Between Strong and Superstrong.Stewart Baldwin - 1986 - Journal of Symbolic Logic 51 (3):547-559.
Some Notes on Iterated Forcing with $2^{\Aleph0}>\Aleph2$. [REVIEW]Saharon Shelah - 1987 - Notre Dame Journal of Formal Logic 29 (1):1-17.

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Citations of this work BETA

The Axiom of Infinity and Transformations J: V → V.Paul Corazza - 2010 - Bulletin of Symbolic Logic 16 (1):37-84.
The Lottery Preparation.Joel David Hamkins - 2000 - Annals of Pure and Applied Logic 101 (2-3):103-146.
Tall Cardinals.Joel D. Hamkins - 2009 - Mathematical Logic Quarterly 55 (1):68-86.
Reflecting Stationary Sets and Successors of Singular Cardinals.Saharon Shelah - 1991 - Archive for Mathematical Logic 31 (1):25-53.

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