Abstract
We show that it is relatively consistent with ZFC that there is a projective wellfounded relation with rank higher than all projective prewellorderings.
Citation
Xianghui Shi. "Projective prewellorderings vs projective wellfounded relations." J. Symbolic Logic 74 (2) 579 - 596, June 2009. https://doi.org/10.2178/jsl/1243948328
Information
Published: June 2009
First available in Project Euclid: 2 June 2009
zbMATH: 1166.03028
MathSciNet: MR2518812
Digital Object Identifier: 10.2178/jsl/1243948328
Keywords:
Prewellordering
,
projective ordinals
,
wellfounded relation
Rights: Copyright © 2009 Association for Symbolic Logic