7

4

conceptions,— because of this, you will
very naturally and properly be somewhat
sceptical about it. In logic, however,
authority is wholly out of place. We
ought to suspend our judgment upon any logical questions until we
thoroughly comprehend the matter, when
we shall plainly see which answer is
correct.

I will tell you how I became forced
to this opinion. The first step was taken
in consequence of studying the doctrine
of probabilities, and especially Boole's
treatment of that branch of logic in
his volume entitled Laws of Thought. Now
that book was written at a time when the