Annals of Pure and Applied LogicVolume 138, Issues 1–3, March 2006, Page 1ForewordAuthor links open overlay panelRod Downey, Rob GoldblattShow moreShareCitehttps://doi.org/10.1016/j.apal.2005.06.002Get rights and contentUnder an Elsevier user licenseopen archivePrevious article in issueNext article in issueRecommended articlesCited by (0)Copyright © 2005 Elsevier B.V. All rights reserved.