Journal of Symbolic Logic

Hyperfine structure theory and gap 1 morasses

Sy-David Friedman, Peter Koepke, and Boris Piwinger

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Using the Friedman-Koepke Hyperfine Structure Theory of [2], we provide a short construction of a gap 1 morass in the constructible universe.

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J. Symbolic Logic Volume 71, Issue 2 (2006), 480-490.

First available in Project Euclid: 2 May 2006

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Friedman, Sy-David; Koepke, Peter; Piwinger, Boris. Hyperfine structure theory and gap 1 morasses. J. Symbolic Logic 71 (2006), no. 2, 480--490. doi:10.2178/jsl/1146620154.

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  • Keith J. Devlin, Constructibility, Springer, 1984.
  • Sy-D. Friedman and Peter Koepke, An elementary approach to the fine structure of $L$, Bulletin of Symbolic Logic, vol. 3 (1997), pp. 453--468.
  • Sy-D. Friedman and Boris Piwinger, Hyperfine structure theory and gap 2 morasses, to appear.
  • Tomas Jech, Set Theory, Springer, 2003.
  • Ronald B. Jensen, The fine structure of the constructible hierarchy, Annals of Mathematical Logic, vol. 4 (1972), pp. 229--308.
  • Boris Piwinger, Silver machines, Diplom thesis, 1997.
  • --------, Mind the gap, hyperfine structure theory and morasses, Ph.D. thesis, University of Vienna, 2004.
  • Thomas Lloyd Richardson, Silver machine approach to the constructible universe, Ph.D. thesis, University of California, Berkeley, 1979.