
doi: 10.1007/bf00370477
It is demonstrated how Kripke models for intuitionistic predicate logic can be applied in order to prove classical theorems. As examples proofs of the independence of the axiom of constructibility, of the omitting types theorem and of Shelah's ultrapower theorem are sketched.
Inner models, including constructibility, ordinal definability, and core models, Research exposition (monographs, survey articles) pertaining to mathematical logic and foundations, Ultraproducts and related constructions, Kripke models, omitting types theorem, Consistency and independence results, Nonclassical models (Boolean-valued, sheaf, etc.), Shelah's ultrapower theorem, axiom of constructibility
Inner models, including constructibility, ordinal definability, and core models, Research exposition (monographs, survey articles) pertaining to mathematical logic and foundations, Ultraproducts and related constructions, Kripke models, omitting types theorem, Consistency and independence results, Nonclassical models (Boolean-valued, sheaf, etc.), Shelah's ultrapower theorem, axiom of constructibility
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