PHIL 2010 Lecture Notes - Lecture 6: Personal Identity
Document Summary
We have opinions and beliefs held since childhood. About what we see and hear and touch: are they justified. Doubt the principles underlying each source of knowledge to arrive at that which cannot be doubted. Descartes thinks some things are just too evident to be doubted. If i can"t distinguish with certainty being awake from being asleep, then i have reason to doubt all of my sensory beliefs: cannot distinguish with certainty being awake from sleep, reason to doubt all senses. God is very good at tricking us into believing things. Most evident thing is that i exist. Attribute that belongs to me, i cannot be separated from i. Since it cannot be doubted that i doubt and thus, think, it further cannot be doubted that exist. What if i am dreaming that i think. Every belief is uncertain expect my own existence.