TY - JOUR AU - Lambek, J. TI - On the syllogism, by Augustus de Morgan. Edited by Peter Heath. Yale University Press, 1966. Distributed by McGill University Press, xxxi + 355 pages. $10.00. JO - Canadian mathematical bulletin PY - 1968 SP - 348 EP - 348 VL - 11 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0008439500029428/ DO - 10.1017/S0008439500029428 ID - 10_1017_S0008439500029428 ER -