TY - BOOK AU - Łukasiewicz,Jan TI - Elements of mathematical logic T2 - International series of monographs on pure and applied mathematics, U1 - 164 PY - 1963/// CY - New York PB - Macmillan KW - Logic, Symbolic and mathematical N1 - "A Pergamon Press book."; Bibliography: p. [122]-124 ER -