02069cam  2200421 i 450000100090000000300050000900500170001400600190003100700150005000800410006502000270010604000340013305000220016708200170018910000280020624501430023426400700037726400120044730000360045933600210049533700250051633800230054149000740056450000620063850400550070050502930075550600500104853300950109853800360119358800470122965000280127665000480130470000220135270000270137477601540140185600440155585600480159918048395RPAM20170613145032.0m      b    000 0 cr/|||||||||||170613s2014    riu     ob    000 0 eng    a9781470416713 (online)  aDLCbengcDLCerdadDLCdRPAM00aQA248b.F795 201400a511.3/222231 aFriedman, Sy D.,d1953-10aGeneralized descriptive set theory and classification theory /h[electronic resource] cSy-David Friedman, Tapani Hyttinen, Vadim Kulikov. 1aProvidence, Rhode Island :bAmerican Mathematical Society,c2014. 4cãAÃ2013  a1 online resource (v, 80 pages)  atext2rdacontent  aunmediated2rdamedia  avolume2rdacarrier0 aMemoirs of the American Mathematical Society, x1947-6221 ; vv. 1081  a"Volume 230, number 1081 (third of 5 numbers), July 2014"  aIncludes bibliographical references (pages 79-80).00tChapter 1. History and MotivationtChapter 2. IntroductiontChapter 3. Borel Sets, ${\Delta _1^1}$ Sets and Infinitary LogictChapter 4. Generalizations From Classical Descriptive Set TheorytChapter 5. Complexity of Isomorphism RelationstChapter 6. ReductionstChapter 7. Open Questions1 aAccess is restricted to licensed institutions  aElectronic reproduction.bProvidence, Rhode Island :cAmerican Mathematical Society.d2014  aMode of access : World Wide Web  aDescription based on print version record. 0aDescriptive set theory. 0aAlgebraic varietiesxClassification theory.1 aHyttinen, Tapani.1 aKulikov, Vadim,d1986-0 iPrint version: aFriedman, Sy D., 1953-tGeneralized descriptive set theory and classification theory /w(DLC)   2014007649x0065-9266z97808218947504 3Contentsuhttp://www.ams.org/memo/1081/4 3Contentsuhttps://doi.org/10.1090/memo/1081