[258] Ibid. coroll. 2.

[259] Book I. Ch. 4. § 2.

[260] Newt. Princ. Lib. III. prop. 8. coroll. 3.

[261] Ibid. coroll. 4.

[262] Book I. Ch. 4.

[263] Lib. II. prop. 20. cor. 2.

[264] Chap. 4. § 17.

[265] Ibid.

[266] Vid. Newt. Princ. Lib. II. prop. 46.

[267] Princ. philos. Lib. II. prop. 49.