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Badillo, Liliana; Harris, Charles M. Avoiding uniformity in the \(\Delta_2^0\) enumeration degrees. (English) Zbl 1351.03030 Ann. Pure Appl. Logic 165, No. 9, 1355-1379 (2014). MSC: 03D30 03D15 03D25 03D55 PDFBibTeX XMLCite \textit{L. Badillo} and \textit{C. M. Harris}, Ann. Pure Appl. Logic 165, No. 9, 1355--1379 (2014; Zbl 1351.03030) Full Text: DOI