As Lorne Falkenstein has pointed out, scholarship on Hume's account of space and time has taken giant steps forward in the past 20 years. Previously, even sympathetic Hume scholars, such as Norman Kemp Smith and Charles Hendel, criticised Hume's account on partly inadequate grounds and focused on the finite divisibility of space and time. Nowadays, our understanding of A Treatise of Human Nature, Book 1 (1739), part 2, in which Hume puts forward his account of spatial properties, is both more accurate and wide-ranging, thanks to the work of