he must obtain an argument) from many, for it will be easy to argue when they have defined, since opposition to definitions is easier.
We must also consider in the proposed (problem) to what thing it belongs, or what will necessarily be if the proposition subsists. The person who wishes to confirm, must consider to what the proposition will belong, (for if that be shown to exist, the proposition will also have been proved,) but he who wishes to subvert, (must consider) what will be the consequence if the proposition subsists, for if we can show that the consequent to the proposition does not subsist, we shall have subverted the proposition.
Besides, we must attend to time if it is any where discrepant, as if a person said that what is nourished, is of necessity increased, for animals are always nourished, yet do not always increase. Likewise, if he said that to know scientifically, is to remember, for the one belongs to past time, but the other to the present and the future, for we are said to know scientifically things present and future, as that there will be an eclipse, but it is impossible to remember any thing except the past.
Chapter 5
It is also a sophistical place, to bring (the adversary) to that, against which we are well provided
