论文信息 - On certain indestructibility of strong cardinals and a question of Hajnal

On certain indestructibility of strong cardinals and a question of Hajnal

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 {λδ|2δ

Saharon Shelah | Moti Gitik

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