[488] Life of Faraday, vol. i. p. 225.
[489] Aristotle’s Rhetoric, Liber I. 2. 11.
[490] Essai Philosophique sur les Probabilités, p. 86.
[491] Kant’s Logik, § 84, Königsberg, 1800, p. 207.
[492] Syllabus of a Proposed System of Logic, p. 34.
[493] Principia, bk. iii. Prop. VI. Motte’s translation, vol. ii. p. 220.
[494] Professor Lovering has pointed out how obscure and uncertain the ideas of scientific men about this ether are, in his interesting Presidential Address before the American Association at Hartford, 1874. Silliman’s Journal, October 1874, p. 297. Philosophical Magazine, vol. xlviii. p. 493.
[495] Novum Organum, bk. ii. Aphorisms, 24, 25.
[496] Ibid. Aph. 28.
[497] Philosophical Transactions (1856) vol. cxlvi. p. 246.