Posterior Analytics
Book II
Chapter 18
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Catalogue
Posterior Analytics
Translated by G. R. G. Mure
Book II
Chapter 18
If immediate premisses are not reached at once, and there is not merely one middle but several middles, i.e. several causes; is the cause of the property’s inherence in the several species the middle which is proximate to the primary universal, or the middle which is proximate to the species? Clearly the cause is that nearest to each species severally in which it is manifested, for that is the cause of the subject’s falling under the universal. To illustrate formally: C is the cause of B’s inherence in D; hence C is the cause of A’s inherence in D, B of A’s inherence in C, while the cause of A’s inherence in B is B itself.
 Book II Chapter 17 |
 Book II Chapter 19 |