Rosenbloom, Paul C. The Elements of mathematical logic / Paul C. Rosenbloom. - 1a ed. - New York : Dover publications, 1950 - 214 p. : ěl. ; 19 cm. - The dover series in mathematics and physics . incluye ěndice Subjects--Topical Terms: Lógica simbólica y matemática LC Class. No.: BC135 / R67 1950