Book, Paragraph

 1      I, 1 | demonstrative, if it is true and obtained through the first principles
 2      I, 10|         The same result would be obtained if the minor premiss were
 3      I, 10|        the Bs: for again we have obtained the first figure. Neither
 4      I, 17|  convertible. Nor can a proof be obtained by a reductio ad absurdum:
 5      I, 18|    premisses, a syllogism can be obtained by converting the problematic
 6      I, 21|          for the first figure is obtained once more, and it has been
 7      I, 21|         converted a syllogism is obtained as before.~If one of the
 8      I, 25|          propositions A and B is obtained by syllogistic inference,
 9      I, 25|        of F and G. Or one may be obtained by syllogistic, the other
10     II, 10| contradictory to the premiss, is obtained. It is clear that in the
11     II, 14|   identical with those which are obtained by means of conversion,
12     II, 21|        contrary to the knowledge obtained through the syllogism, nor
13     II, 24|        evil. Evidence of this is obtained from similar cases, e.g.
14     II, 26|         proof by signs cannot be obtained.~We must consider later