Sciweavers

JSYML
2002
70views more  JSYML 2002»
14 years 9 days ago
Coding with Ladders A Well Ordering of The Reals
Any model of ZFC + GCH has a generic extension (made with a poset of size 2) in which the following hold: MA + 20 = 2+ there exists a 2 1-well ordering of the reals. The proof con...
Uri Abraham, Saharon Shelah