9 found
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  1.  9
    (2 other versions)Degrees of Unsolvability.Gustav B. Hensel - 1964 - Journal of Symbolic Logic 29 (4):202-203.
  2.  17
    A. H. Lachlan. On a problem of G. E. Sacks. Proceedings of the American Mathematical Society, vol. 16 , pp. 972–979.Gustav B. Hensel - 1967 - Journal of Symbolic Logic 32 (1):125.
  3.  7
    Gerald E. Sacks. On suborderings of degrees of recursive unsolvability. Zeitschrift für mathematische Logik und Grundlagen der Mathematik, vol. 7 , pp. 46–56. [REVIEW]Gustav B. Hensel - 1964 - Journal of Symbolic Logic 29 (4):203.
  4.  25
    John N. Crossley and Kurt Schütte. Non-uniqueness at ω2 in Kleene's O. Archiv für mathematische Logik und Grundlagenforschung, vol. 9 , pp. 95–101. - Peter H. G. Aczel. Paths in Kleene's O. Archiv für mathematische Logik und Grundlagenforschung, vol. 10 , pp. 8–12. [REVIEW]Gustav B. Hensel - 1970 - Journal of Symbolic Logic 35 (2):336.
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  5. Review: Gerald E. Sacks, On Suborderings of Degrees of Recursive Unsolvability. [REVIEW]Gustav B. Hensel - 1964 - Journal of Symbolic Logic 29 (4):203-203.
  6.  15
    Review: John N. Crossley, Kurt Schutte, Non-Uniqueness at $omega^2$ in Kleene's O. [REVIEW]Gustav B. Hensel - 1970 - Journal of Symbolic Logic 35 (2):336-336.
  7.  16
    (1 other version)Review: Tosiyuki Tugue, Sigeru Hinata, A Note on Continuous Functionals. [REVIEW]Gustav B. Hensel - 1974 - Journal of Symbolic Logic 39 (3):606-607.
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  8.  14
    (1 other version)Review: Wayne Richter, Extensions of the Constructive Ordinals; Wayne Richter, Constructive Transfinite Number Classes; Wayne Richter, Constructively Accessible Ordinal Numbers. [REVIEW]Gustav B. Hensel - 1971 - Journal of Symbolic Logic 36 (2):341-342.
  9. (1 other version)Review: Yiannis N. Moschovakis, Many-one Degrees of the Predicates $H_a(x)$. [REVIEW]Gustav B. Hensel - 1967 - Journal of Symbolic Logic 32 (4):529-530.