56

O.48

generally precede demonstrations

matical mind is unsuited to coping with it, unaided. It stand in need of logical analysis which neither Laplace, Boole, or any other mathematician has taken the first steps toward supplying, but which a mind naturally bent toward and thoroughly trained in exact logic could bring within the easy reach of every intelligent man at all capable of exactitude of thought. Mr. Venn did some excellent and useful work in this direction, while leaving the most essential parts either quite untouched or else darkened by his nominalistic obsessions.

The purpose of the Second Stage of inquiry is to draw consequences