In the first meditation of “Meditations in First Philosophy”, Descartes writes about the things he once considered to be certain truths which now can be proven as doubts. These are a few of his assertions.
1. Senses are deceptive.
2. Descartes questions does God really exist.
Descartes doubted senses because they could deceive a person. For example, dreams give people a false sense of security that they are awake. Everything inside a dream feels real even though it isn’t. Descartes establishe...
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...erceive functions. The res cogitans is also indivisible. It doesn’t have numerous parts. It is a complete thing. He also notes that the mind is only affected by the brain. The res extensa is divisible and has numerous parts. It is also goes down in a downward motion. The body is dependent on many things such as food and water. The body needs the brain to connect all of its parts. “…the senses thus act to preserve and maintain the body.” The body also needs the senses to alert when it is hungry, when its throat is dry, or when something is too hot or cold. Although, senses may be deceptive there are around to protect the body.
Descartes, Rene. Meditations in First Philosophy. Indianapolis/Cambridge: Hackett Publishing Company, 1998. Book.
"Summary of Descartes' Meditations on First Philosophy." n.d. home.sandiego.edu. Web Page. 17 March 2014.
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