More forcing notions imply diamond |
| |
| Authors: | Andrzej Rosłanowski Saharon Shelah |
| |
| Affiliation: | (1) Department of Mathematics and Computer Science, Bar-Ilan University, 52900 Ramat-Gan, Israel, IL;(2) Mathematical Institute of Wroclaw University, 50384 Wroclaw, Poland, PL;(3) Institute of Mathematics, The Hebrew University of Jerusalem, Jerusalem, Israel, IL;(4) Department of Mathematics, Rutgers University, New Brunswick, NJ, USA, US |
| |
| Abstract: | We prove that the Sacks forcing collapses the continuum onto , answering the question of Carlson and Laver. Next we prove that if a proper forcing of the size at most continuum collapses then it forces . Received July 4, 1994 |
| |
| Keywords: | |
| 本文献已被 SpringerLink 等数据库收录！ |
|
