Book, Paragraph

1      I,  3 |         maintain that an infinite regress is involved, on the ground
2      I,  3 |           is drawn, and since the regress must end in immediate truths,
3      I,  21|       second or third-even so the regress will terminate, for the
4      I,  21|         Thus it is plain that the regress of middles terminates in
5      I,  21|   demonstration. That in fact the regress terminates in both these
6      I,  22| demonstrable, and (b) an infinite regress is impossible; since if
7      I,  24|          was right." When in this regress we can no longer find an
8     II,  3 |          prior premisses, and the regress will be endless; or the