NONINITIAL SEGMENTS OF THE a-DEGREES'. JOHN M. MACINTYRE. Let a be an admissible ordinal and let L be the first order language with equality and a single ...

This paper deals with the extension of these results to α-recursion theory for an arbitrary countable admissible α > ω. Given α, we construct a set A ...

Oct 20, 2010 · J. M. MacIntyre, Noninitial segments of the α-degrees, Journal of Symbolic Logic 38 (1973), 368–382. Article MATH MathSciNet Google Scholar.

Noninitial Segments of the $|alpha$-Degrees. Article. Jan 1973. John M. MacIntyre · View · Embedding and Coding below a 1-Generic Degree. Article. Jan 2004 ...

We characterize those admissible ordinals α which have precisely one α-r.e. degree containing a non-regular or non-hyperregular set. ... Noninitial segments of ...

Noninitial segments of the α-degrees.John M. MacIntyre - 1973 - Journal of Symbolic Logic 38 (3):368-388. Hay Louise. Elementary differences between the ...

Volume 38, Number 3, September 1973 · Robert G. · John MacIntyre: Noninitial Segments of the alpha-Degrees. · Ian D. · Peter G. · Richard Mansfield: On the ...

John MacIntyre: Noninitial Segments of the alpha-Degrees. 368-388.

Let {Wk } k ≥ 0 be a standard enumeration of all recursively enumerable (r.e.) sets. If A is any class of r.e. sets, let θ A denote the index set of A, ...

Degrees of Non α‐Speedable Sets.Steven Homer & Barry E. Jacobs - 1981 - Mathematical Logic Quarterly 27 (31-35):539-548. Noninitial segments of the α-degrees.