Abstract.
It is proved that \(\Pi^1_1\)-indescribability in \(P_{\kappa}\lambda\) can be characterized by combinatorial properties without taking care of cofinality of \(\lambda\). We extend Carr's theorem proving that the hypothesis \(\kappa\) is \(2^{\lambda^{<\kappa}}\)-Shelah is rather stronger than \(\kappa\) is \(\lambda\)-supercompact.
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Received May 18, 1997
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Abe, Y. Combinatorial characterization of \(\Pi^1_1\)-indescribability in \(P_{\kappa}\lambda\) . Arch Math Logic 37, 261–272 (1998). https://doi.org/10.1007/s001530050097
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DOI: https://doi.org/10.1007/s001530050097