POSTSCRIPT TO THE PAPER “ ON A QUESTION IN THE THEORY 
OF PROBABILITIES.” 
[From the Philosophical Magazine, vol. xxili. (1862), pp. 170—471.] 
See 318. The present paper reproduces Wilbraham’s discussion of Boole’s Solution; and concludes 
with the remark “ Professor Boole wishes me to mention that he has succeeded in obtaining a demonstration 
of the analytical theorem arising from his theory referred to in his Reply in my paper.” See ante p. 82, 7thly.