37

O.7

attain all the force of sound induction, the highest grade of certainty to which the human mind can attain on any Real subject.

It occurs to me, at this point, that my name necessarily being unknown to readers, they may be disposed to inquire among their acquaintances what just claims I may have to being considered an authority on logic. But I may save them that trouble, if it will not be deemed impertinent, by saying at once that I make no such claims at all.