• If normal science does not aim at major novelties, what is its goal (pp. 23-25)?

• Locate the three sorts of fact-gathering activities of normal science, the third of which itself comes in three varieties (pp. 25-30).

• What are the corresponding three sorts of theoretical activity (pp. 30-34)?

• What is Kuhn’s concept of a “scientific community” (pp. 175-177 [176-178])?

• What are Kuhn’s second thoughts about what is really acquired in the transition to mature science (pp. 177-178 [178-179])?

• What is the distinction he now wishes to draw between scientific communities and scientific subject matters (pp. 178-180 [179-180])?

• Notice also his brief, but important, comments on the size of communities and the srouce of revolutions (pp. 180 [180-181]).