000 00295nam a2200133 4500
008 160616s 000 0
041 _aeng
080 _a510.21
_bFRA
100 _aFraenkel, Abraham A
245 _aSet theory and logic
500 _aB31 K62
690 _aMathematics
942 _cBK
999 _c4604
_d4604