PHL 101 Lecture Notes - Lecture 16: Cosmological Argument, Ontological Argument
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I know that i exist; the question is, what is this i" that i know? (med. I don"t know whether i have a body. We don"t know whether sensations respond to anything. So, i don"t know whether i am capable of movement, nutrition, or sense-perception, whether i occupy a certain place, etc. None of these things can be essential to who i am as this i that thinks. Because i can be certain about the i that thinks. My knowledge of this i does not depend on knowing that i have a body, there is an external world, etc. A thing that doubts, understands, affirms, denies, is willing, is unwilling, and also imagines and has sensory perceptions. (med 2) These activities are united in me and inseparable from me. To show that we know the external world by means of the intellect, not the senses. To identify the essential characteristics of material things.