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Questions related to computability theory, a.k.a. recursion theory
5
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Accepted
Turing degree of some functions related to Rice's theorem
(See, e.g., Cooper, Computability Theory (2004), theorem 15.4.3, or Soare, Turing Computability and Applications (2016), theorem 3.7.2, for proof and further explanations.) … Note that in some generalizations of Turing degrees (I like to refer to Kihara's paper “Lawvere-Tierney topologies for computability theorists”, which I tried to give an account of on my blog (in French …