3 problems
Impossibility conjecture. It is impossible to have such a characterization of .
Nonrepresentability conjecture. Some natural degrees, such as , are not equivalent to any \mathsf{Ans}(\left\llangle E \right\rrangle).
Impossibility conjecture. It is impossible to have such a characterization of .
Nonrepresentability conjecture. Some natural degrees, such as , are not equivalent to any \mathsf{Ans}(\left\llangle E \right\rrangle).