Lewis, Clarence Irving Symbolic Logic / Clarence Irving Lewis, Cooper Harold Landgford - 2a ed. - New York : Dover Publications, 1959 - 518 p. ; 20 cm. - Dover Books on Intermediate and Advanced Mathematics . Incluye índice Subjects--Topical Terms: Lógica, símbolos y matemáticas LC Class. No.: BC 135 L49 / 1959