[58] 78a 30 sqq.

[59] Topics, 101b 18, 19.

[60] Posterior Analytics, ii. 13.

[61] Posterior Analytics, ii. 16.

[62] Posterior Analytics, i. 13 ad. fin., and i. 27. The form which a mathematical science treats as relatively self-subsistent is certainly not the constitutive idea.

[63] Posterior Analytics, i. 3.

[64] Posterior Analytics, ii. 19.

[65] De Anima, 428b 18, 19.

[66] Prior Analytics, i. 30, 46a 18.

[67] Topics, 100b 20, 21.