With regard to the persuasion achieved by proof or apparent proof: just as in dialectic there is induction on the one hand and syllogism or apparent syllogism on the other, so it is in rhetoric.

On the other hand, if the houses are to be earthquake proof, it will require supervision, some extra time, and a little more money.

Henry Crawford's retaining her hand at such a moment, a moment of such peculiar proof and importance, was worth ages of doubt and anxiety.