English

A Sacks Real out of Nowhere

Logic 2011-01-25 v2

Abstract

There is a proper countable support iteration of length ω\omega adding no new reals at finite stages and adding a Sacks real in the limit.

Cite

@article{arxiv.math/0703302,
  title  = {A Sacks Real out of Nowhere},
  author = {Jakob Kellner and Saharon Shelah},
  journal= {arXiv preprint arXiv:math/0703302},
  year   = {2011}
}

Comments

Improvements (hopefully) in presentation

R2 v1 2026-07-22T17:52:28.306Z