Initial segments of Δ2n+11-degrees
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Publication:3801542
DOI10.2307/2274443zbMath0655.03033OpenAlexW1987942292MaRDI QIDQ3801542
Publication date: 1988
Published in: The Journal of Symbolic Logic (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.2307/2274443
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