Reflection and forcing in E-recursion theory (Q1062978)
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scientific article; zbMATH DE number 3916253
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Reflection and forcing in E-recursion theory |
scientific article; zbMATH DE number 3916253 |
Statements
Reflection and forcing in E-recursion theory (English)
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1985
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E-recursive enumerability is compared via forcing to \(\Sigma_ 1\) definability. It is shown that for every countable E-closed ordinal \(\kappa\) there is a set of reals, X, so that \(L_{\kappa}[X]\) is the least E-closed structure over X.
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definability
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