Minimal collapsing extensions of models of ZFC (Q914664)

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scientific article; zbMATH DE number 4150140
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Minimal collapsing extensions of models of ZFC
scientific article; zbMATH DE number 4150140

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    Minimal collapsing extensions of models of ZFC (English)
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    1990
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    The authors present new results concerning (minimal) generic extensions of models of ZFC in which the cofinality of cardinals is changed and/or cardinals are collapsed. The forcing methods of the first author and Namba are generalized and extensively studied involving many technical details, in particular on a family of trees.
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    perfect tree forcing
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    Namba forcing
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    generic extensions of models of ZFC
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