00780nam a2200253Ia 4500 156782 BIBL 20160527200625.0 720328s1972 mau b 00110 eng 75162879 //r86 CACG QA248.3 .Z45 1972 511/.3 511.3 Z44e Zehna, Peter W. Local 191887 Elements of set theory [by] Peter W. Zehna [and] Robert L. Johnson. 2d ed. Boston Allyn and Bacon [1972] ix, 197 p. 24 cm. Bibliography: p. 179-180. Set theory. Local 168923 Logic, Symbolic and mathematical Local 127231 Johnson, Robert L. (Robert Leo) joint author. Local 117797 127423 127423 0 0 0 511_300000000000000_Z44E 0 abl 307695 1 1 17 2016-05-27 234808 0 511.3 Z44e mq234808 2016-05-27 00:00:00 r:156782 z:NCC:D 6 0 0 0 511_300000000000000_Z44E 0 abl 307704 1 1 17 2016-05-27 234807 0 511.3 Z44e mq234807 2016-05-27 00:00:00 r:156782 z:NCC:D 6