A survey of Mučnik and Medvedev degrees
A survey of Mučnik and Medvedev degrees
复制标题
穆奇尼克和梅德韦杰夫学位调查
作者：
P. Hinman
我们考察了Muycnik(弱)和Medvedev(强)次理论的子集！！并特别注意！2的�0子集的次数。后面几节给出了本课题主要结果的证明，其中一些比另一些更完整。
We survey the theory of Muycnik (weak) and Medvedev (strong) degrees of subsets of ! ! with particular attention to the degrees of � 0 subsets of ! 2. Later sections present proofs, some more complete than others, of the major results of the subject.