This file contains the following topics: Goodman?s problem, responses to Goodman, syntactic levers for induction, the origin of good hypotheses, Plato meets Matlab, the legacy of Plato, Fodor’s critique, how do theories work, inductive learning, Marr’s three levels, computational analysis, relevance to human learning, probably approximately correct (PAC), PAC analyses of other hypothesis spaces, and the role of inductive bias.