Zehna, Peter W.
Elements of set theory / [by] Peter W. Zehna [and] Robert L. Johnson. - Boston, Allyn and Bacon, 1962. - 194 p. : illus. ; 24 cm. - College mathematics series .
Includes bibliographical references and index.
62014758
Set theory.
Logic, Symbolic and mathematical.
512.817
Elements of set theory / [by] Peter W. Zehna [and] Robert L. Johnson. - Boston, Allyn and Bacon, 1962. - 194 p. : illus. ; 24 cm. - College mathematics series .
Includes bibliographical references and index.
62014758
Set theory.
Logic, Symbolic and mathematical.
512.817