Book, Paragraph

 1     II, 8 |        the major extreme: for the refutation always proceeds through
 2     II, 8 |         the universal syllogisms, refutation in which the conclusion
 3     II, 8 |        lacks universality, but no refutation at all. Suppose that A has
 4     II, 9 |         For the conclusion of the refutation will always be in the third
 5     II, 9 |   contrary, the conclusion of the refutation will be the contrary of
 6     II, 10|           In the third figure the refutation proceeds through the first
 7     II, 17|         concluded in spite of the refutation of this position; but that
 8     II, 20|         related, it is clear when refutation will be possible and when
 9     II, 20|   possible and when impossible. A refutation is possible whether everything
10     II, 20|     contrary to the conclusion, a refutation must take place: for a refutation
11     II, 20| refutation must take place: for a refutation is a syllogism which establishes
12     II, 20|         if nothing is conceded, a refutation is impossible: for no syllogism
13     II, 20|        are negative: therefore no refutation is possible. For if a refutation
14     II, 20|  refutation is possible. For if a refutation were possible, a syllogism
15     II, 20|         it does not follow that a refutation is possible. Similarly refutation
16     II, 20| refutation is possible. Similarly refutation is not possible if nothing
17     II, 20|  universally: since the fields of refutation and syllogism are defined