Osherson, Daniel NWeinstein, Scott2023-05-222023-05-221990-05-292007-08-23https://repository.upenn.edu/handle/20.500.14332/7489The following notes rework a discussion due to Kevin Kelly on the application of topological notions in the context of learning (see Kelly (1990)). All the results except for (2), (4) and (9) are due to Kelly, but are proved differently.Working Paper