 Moreover, Frege had his own reasons for not replacing Basic Law V with Hume’s Principle. One reason was that he thought Hume’s Principle offered no answer to the epistemological question, ‘How do we grasp or apprehend logical objects, such as the numbers?’. A second reason is that Hume’s Principle is clearly subject to ‘the Julius Caesar problem’. Frege first raises this problem in connection with an inductive definition of ‘\(n = \#F\)’ that he tries out in Gl, §55. Concerning this definition, Frege says: