Wadge Degrees and Projective Ordinals Wadge Degrees and Projective Ordinals The Cabal Seminar, Volume Two Ed. Alexander S. Kechris ; Ed.Benedikt Lowe ; Ed.John R. Steel Cambridge UP2012Hardback548pp234x156mm 9780521762038 Product Code: 223796 Details - DetailsBackDetails-See MoreSee Less publ £60.00now CategoriesScience