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arxiv: 0708.3793 · v2 · submitted 2007-08-28 · 🧮 math.LO

Low upper bounds of ideals

classification 🧮 math.LO
keywords boundidealst-uppertherealgorithmicbelowboundscase
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We show that there is a low T-upper bound for the class of K-trivial sets, namely those which are weak from the point of view of algorithmic randomness. This result is a special case of a more general characterization of ideals in the T-degrees below 0' for which there is a low T-upper bound.

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