Computability theory, which investigates computable functions and computable sets, lies at the foundation of computer science. Its classical presentations usually involve a fair a...
We review some of the history of the computability theory of functionals of higher types, and we will demonstrate how contributions from logic and theoretical computer science hav...
Abstract. We show that many so called discrete weak semilattices considered earlier in a series of author’s publications have hereditary undecidable first-order theories. Since ...