Describe Plato’s philosophical analysis of the nature of knowledge, explain what role the theory of forms plays in it, and explain what conclusions Plato drew for the methodology of natural sciences such as astronomy. Illustrate your account with references from Timaeus. In what way do the views of Aristotle about the nature of change represent a departure from Plato? Explain specifically the role Aristotle’s conception of motion plays in his overall understanding of the global features of the physical universe.