[413] Met. v. 10.
[414] Categ. iii. 11.
[415] Categ. iii. 14.
[416] Categ. ii. 7.
[417] By a pun, this "change" is used as synonymous with the "alteration" used further on.
[418] Arist. de Gen. i. 4.
[419] Alteration is change in the category of quality, Arist. de Gen. i. 4; Physics, vii. 2.
[420] Arist. Metaph. ix. 6; xi. 9.
[421] Met. xi. 9.
[422] See ii. 5.1, 2.