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Select article: The Σ 2 theory of D h ( ⩽ h O ) as an uppersemilattice with least and greatest element is decidable

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Research article

First published October 7, 2021

The Σ 2 theory of D h ( ⩽ h O ) as an uppersemilattice with least and greatest element is decidable

James Barnes

Computability

Select article: The Arithmetical Hierarchy in the Setting of $\omega_1$

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Research article

First published September, 2013

The Arithmetical Hierarchy in the Setting of $\omega_1$

Jacob Carson, Jesse Johnson, Julia Knight [...]

Computability

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