Book, Paragraph

 1 III, 4 |           who use the language of proof we must cross-examine and
 2 III, 4 |   principles.~Let this suffice as proof of the fact that the principles
 3 III, 4 |          impossible or needs much proof. Further, no one has even
 4  IV, 4 | assumption we shall have negative proof, not demonstration. The
 5  IV, 4 |        person responsible for the proof, however, is not he who
 6   V, 29|       appearance. This is why the proof in the Hippias that the
 7  XI, 5 |          such matters there is no proof in the full sense, though
 8  XI, 5 |       full sense, though there is proof ad hominem. For it is not
 9  XI, 5 |          there is to be completed proof of it in the full sense.
10  XI, 5 |          While, then, there is no proof of these things in the full
11  XI, 5 |        the full sense, there is a proof which may suffice against
12  XI, 6 |        that all reasoning and all proof is accomplished; if they