Page:An Investigation of the Laws of Thought (1854, Boole, investigationofl00boolrich).djvu/5

 AN INVESTIGATION OF THE LAWS OF THOUGHT, ON WHICH ARE FOUNDED THE MATHEMATICAL THEORIES OF LOGIC AND PROBABILITIES. BY GEORGE BOOLE, LL.D. PROFESSOR OF MATHEMATICS IN QUEEN'S COLLEGE, CORK. LONDON: WALTON AND MABERLY, UPPER GOWER-STREET, AND IVY-LANE, PATERNOSTER-ROW, CAMBRIDGE: MACMILLAN AND CO. 1854.