Projective Measure Without Projective Baire
Author | : Sy David Friedman |
Publisher | : American Mathematical Society |
Total Pages | : 150 |
Release | : 2021-02-10 |
ISBN-10 | : 9781470442965 |
ISBN-13 | : 1470442965 |
Rating | : 4/5 (965 Downloads) |
Book Synopsis Projective Measure Without Projective Baire by : Sy David Friedman
Download or read book Projective Measure Without Projective Baire written by Sy David Friedman and published by American Mathematical Society. This book was released on 2021-02-10 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors prove that it is consistent (relative to a Mahlo cardinal) that all projective sets of reals are Lebesgue measurable, but there is a $Delta^1_3$ set without the Baire property. The complexity of the set which provides a counterexample to the Baire property is optimal.