[68] Chap. 1. § 29.
[69] Princip. Philos. pag. 25.
[70] § 71.
[71] See Method. Increment. prop. 25.
[72] Lib. XI. Def.
[73] Chap. 2. § 17.
[74] See above Ch. 2. § 17.
[75] From B II. Ch. 3.
[76] Prin. Philos. pag. 7, &c.
[77] See Newton, princip. philos. pag. 9. lin. 30.