New York: McGraw-Hill Book Company, Inc., 1958. First edition. 8vo. [ix], 157 pp. Figures in text. Hardcover binding in unclipped dustwrapper, very good condition. (101488). Geometrical and mechanical methods for solving problems in formal logic. More

New York: McGraw-Hill, 2004. First edition. 16mo. [xi], 157 pp. Softcover binding, very good condition. (126542). More