shown through D. In the same manner also if the demonstration of the middle as to the extreme should be through many similars, wherefore it is evident that example is neither as part to a whole, nor as whole to a part, but as part to part, when both are under the same thing, but one is known. It (example) also differs from induction, because the latter shows from all individuals that the extreme is present with the middle, and does not join the syllogism to the extreme, but the former, both joins it, and does not demonstrate from all (individuals).
Chapter 25
Abduction is when it is evident the first is present with the middle, but it is not evident that the middle is with the last, though it is similarly credible, or more so, than the conclusion; moreover if the media of the last and of the middle be few, for it by all means happens that we shall be nearer to knowledge. For instance, let A be what may be taught, B science, C justice; that science then may be taught is clear, but not whether justice is science. If