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JSYML
2002
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13 years 4 months 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