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A note on the cardinality of the Medvedev lattice


Author: Richard A. Platek
Journal: Proc. Amer. Math. Soc. 25 (1970), 917
MSC: Primary 02.77
DOI: https://doi.org/10.1090/S0002-9939-1970-0262080-7
MathSciNet review: 0262080
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References [Enhancements On Off] (What's this?)

  • [1] H. Rogers Jr., Some problems of definability in recursive function theory, Sets, Models and Recursion Theory (Proc. Summer School Math. Logic and Tenth Logic Colloq., Leicester, 1965) North-Holland, Amsterdam, 1967, pp. 183–201. MR 0223237
  • [2] Gerald E. Sacks, Degrees of unsolvability, Princeton University Press, Princeton, N.J., 1963. MR 0186554

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DOI: https://doi.org/10.1090/S0002-9939-1970-0262080-7
Article copyright: © Copyright 1970 American Mathematical Society