Sober, Elliott, Core questions in philosophy : a text with readings / Elliott Sober. - [Instructor's edition. - New York : Macmillan, (c)1991. - xiv, 566, ii, 45 pages ; 25 cm. Includes separate instructor's manual at end of textbook. Includes bibliographies and index. Subjects--Topical Terms: Philosophy--Introductions. LC Class. No.: BD21 / .C674 1991 BD21