Advertisement

Mathematical Notes

, Volume 63, Issue 4, pp 556–559 | Cite as

Pyramidal structure of constructibility degrees

  • V. G. Kanovei
  • J. Zapletal
Brief Communications
  • 41 Downloads

Key words

constructibility degrees Sacks models forcing 

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. 1.
    J. E. Baumgartner and R. Laver,Ann. Math. Logic,17, 271–288 (1979).CrossRefMathSciNetGoogle Scholar
  2. 2.
    V. Kanovei, “On non-wellfounded iterations of perfect set forcing,”J. Symbolic Logic (to appear).Google Scholar

Copyright information

© Plenum Publishing Corporation 1998

Authors and Affiliations

  • V. G. Kanovei
    • 1
  • J. Zapletal
    • 2
  1. 1.Moscow Institute of Transport EngineeringUSSR
  2. 2.CaltechPasadenaUSA

Personalised recommendations