00546nam a2200193 a 450000500170000002000180001708200150003510000190005024500210006926000380009030000250012849000390015369000150019269000290020796400160023699700130025299900190026595200680028420251203111621.0  a9788184892062  a511.3bHAL  aHalmos, Paul R  aNaive set theory  aNew YorkbSpringerc1974 - R 2009  avi, 104p.c23cm.bPB  aUndergraduate texts in Mathematics  aSet theory  aArithmetic - Foundations  bcdefg_  a162741 C  c132325d132325  00104070aPUbPUd2010-07-22g46.99l0o511.3 HALp162741yBK