Descartes, Locke, Hume, and Kant

For each of the following philosophers (Descartes, Locke, Hume, and Kant), answer the following questions in a manner that clearly distinguishes their theories of knowledge from each other.(a) What is the source/origin of our knowledge of the external world? (b) To...

Descarte, Locke, and Leibniz: Theories about sleep

Descartes, Locke, and Leibniz each had a theory about what happens to the mind during sleep. Explain the theoretical differences, as well as the similarities (there is a point of agreement between Descartes and Locke, and between Descartes and Leibniz). Which theory...