Cambridge, Macmillan and Co., 1851. 8vo. Bound with the original front wrapper in contemporary half calf with black and red title labels to spine with gilt lettering. In ""The Cambridge and Dublin Mathematical Journal"", Vol. VI [6], (Being Vol. X [10], of the Cambridge Mathematical Journal), 1851. Bookplate pasted on to pasted down front free end-paper and library code written in hand to lower part of spine. Library cards in the back. First two leaves detached, but present (Title page and index page). Otherwise a fine and clean copy. Pp. 87-106"" Pp. 106-141. [Entire volume: IV, 293 pp.].
First printing of these two important paper by Boole and Cayley's famous note to include the very first Boolean determinant: ""...the Hessian, or as it ought to be termed, the first Boolean Determinant"" (P. 192).