(p. 11) T.43.

11. (p. 11) In a letter of 1737, Hume advised a friend to read works by Malebranche, Berkeley, Pierre Bayle (1647–1706) and Descartes, which ‘will make you easily comprehend the metaphysical parts of my reasoning’. The letter does not mention Locke, but there is ample evidence of his influence on the Treatise. For the provenance of the letter and details of its publication, see R. H. Popkin, The High Road to Pyrrhonism (San Diego, 1980), p. 290. Modern editions of the works mentioned by Hume are listed in the Select Bibliography.

12. (p. 12) T.243.

13. (p. 12) See below, Part II, pp. 53.

14. (p. 14) Treatise, Book I, Part III, Section VI, ‘Of the inference from the impression to the idea’.

15. (p. 14) T.228.

16. (p. 15) T.42.

17. (p. 15) An Enquiry Concerning Human Understanding, Section XII, Part III.

18. (p. 19) T.142.

19. (p. 20) See the Introduction by M. A. Screech to Michel de Montaigne, An Apology for Raymond Sebond (Penguin Classics, 1987), p. xv.

20.