00369nam a2200145Ia 4500003000500000008004100005020000900046040000900055041001200064082002400076100002200100245007600122260000900198650001600207NDCL180829s9999||||ii |||||||||||||| ||eng||  a6653  aNDCL  aEnglish  a517.521 LS216th ed  aLipschutz Seymour 0aTheory and problems of set theory and related topicscLipschutz Seymour  c1964  aMathematics