Peter Krautzberger on the web

Shelah's Model without P-points-- part 5

Read more about this series at the first post.

Part 5: properness

In short:

  • Basic Properties:
    • Grigorieff forcing and the Sacks variant are proper (part 1)
screenshot of page 5

Part 5 as PDF

Part 5 as Xournal-source