therefore B C is equally or more credible than A C, it is abduction, for we are nearer knowledge because of our assuming A C, not possessing science before. Or again, if the media of B C should be few, for thus we are nearer knowledge, as if D should be to be squared, E a rectilinear figure, and F a circle, then if, of E F there is only one middle, for a circle to become equal to a rectilinear figure, through lunulæ, will be a thing near to knowledge. But when neither B C is more credible than A C, nor the media fewer, I do not call this abduction, nor when B C is immediate, for such a thing is knowledge.
Chapter 26
Objection is a proposition contrary to a proposition, it differs however from a proposition be-
