Hurley, Patrick J., 1942-, A concise introduction to logic / [print] Patrick J. Hurley. - Belmont, California : Wadsworth Pub. Company, (c)1982. - viii, 456 pages : illistrations ; 24 cm. LCCN: 81021938 Subjects--Topical Terms: Logic. LC Class. No.: BC108.H965.C663 1982 BC108