What does Descartes mean when he says that the heart `rarifies' the blood?
philosophy
Description
questions on Descartes Text used for Descartes: Discourse on method part 1-6 Text used for Aristotle: Metaphysics, Physics, On the parts of animals Text used for Galileo: The Assayer, Dialogue on the Two Chief World System What does Descartes mean when he says that the heart `rarifies' the blood? (Note: this is a detail question. You do not need to provide any interpretation, just describe rarification. Something like: Rarification is a part of the ---- blank process where the ---- ---s the blood.) Does Descartes believe that the senses are useful in understanding the soul? (A brief answer is possible, but should be supported by reference to the text.) Briefly discuss the role of ``doubt'' in each of the three philosophers we have considered. This answer should take the form of three brief paragraphs and each one should be supported by a quotation from the relevant text. Descartes, aristotle, and galileo What is the role of mathematics in producing new knowledge? You may either try to paraphrase Descartes or Galileo; or give a brief synopsis of how mathematics has been used in one of your science classes?
