Part 1 of Essay
Being a foundationalist, Descartes needs to destroy the foundations of his beliefs so that in his Meditations he will be able to build upon new foundations of undeniable and self evident truths. In order to do this Descartes must first find a valid argument that will allow him to doubt his foundation beliefs and in turn do ....

Part 2 of Essay
.... not deny that they are for instance, standing, thinking about how their senses are deceiving them, with their feet planted on the ground, in their bedroom, feeling a little tired and so on. Only if one was, as Descartes writes, “..insane, whose brains are impaired by such an unrelenting vapor of black bile..” that they believe they are something other than what they are, would one doubt reality, without an argument. The argument is as follows: If the experience of a dream is indistinguishable between that dream ....