Premise: Famous Edinburgh residents of this period later known as the Scottish Enlightenment included David Hume, author of A Treatise of Human Nature and one of Britain's greatest philosophers; Adam Smith, author of The Wealth of Nations, a pioneer in the study of political economy; and Joseph Black, the scientist who discovered the concept of latent heat.
Hypothesis: There were approximately 15 people who belonged to the Scottish Enlightenment. 
Label: neutral