Book, Paragraph

 1     II,  1 |        Conversion, then, is not a necessary process in the case of accidents.~
 2     II,  5 |           necessity. It is really necessary whenever the answerer has
 3     II,  5 |      Likewise, also, it is really necessary whenever he (the questioner)
 4     II,  5 |     neither really nor apparently necessary, and it is the answerer’
 5     II,  5 |         statement has a number of necessary consequences: e.g. the man
 6     II,  6 |        may chance; if therefore a necessary event has been asserted
 7     II,  6 |  opportunity for attack. For if a necessary event has been asserted
 8     II,  6 |         the usual attribute to be necessary: for then he declares it
 9     II,  6 |   contrary of what is usual to be necessary. For the contrary of a usual
10     IV,  1 |          Again, see whether it be necessary or possible for the genus
11     IV,  2 |         be generally agreed to be necessary that the genera of the same
12     IV,  4 |        soul itself, but it is not necessary, for it is possible for
13     VI,  1 | expression used be longer than is necessary: for all additional matter
14     VI,  4 |           kind, it may perhaps be necessary to frame the expression
15    VII,  5 |       even supposing it should be necessary to overthrow something by
16    VII,  5 |          overthrow it, it is only necessary to demolish one of the terms
17    VII,  5 |        whereas to establish it is necessary to reason to them all. Then,
18   VIII,  1 |         premisses, other than the necessary premisses, which have to
19   VIII,  1 |      which have to be adopted. By necessary premisses are meant those
20   VIII,  1 |          employ them as well.~The necessary premisses through which
21   VIII,  1 |           For one must secure the necessary premisses either by reasoning
22   VIII,  1 |  syllogisms to prove not only the necessary premisses but also some
23   VIII,  11|  Accordingly it sometimes becomes necessary to attack the speaker and
24   VIII,  11|           more premisses than are necessary, so that it is not through
25   VIII,  12|         make no further questions necessary: in another sense, and this