Book, Paragraph

1      I, 3 |      This will be plain when we speak about the possible. At present
2      I, 4 |  produced; subsequently we must speak of demonstration. Syllogism
3      I, 15|       other spheres in which we speak of the possible: for it
4      I, 23| reductio ad impossibile. Let us speak first of ostensive syllogisms:
5      I, 31|          for division is, so to speak, a weak syllogism; for what
6     II, 27|     passions and desires when I speak of natural emotions. If