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Rene Descartes's Argument On The True Nature Of Reality

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The concept of reality is exceedingly difficult to pin down. It appears to be obvious that the room one is in is there, but upon further inspection, one may realize that it is not that simple. One is tempted to believe that there is an objective reality around them that does not change. However, the fact that one’s perception of the room around them is subjective, and the colors and shapes change as the lighting and position of the viewer does, casts this idea into doubt. What reason does one have to believe that their perception is not an illusion? The difficult questions that arise when one examines the true nature of reality, and whether or not it in fact exists have been discussed by numerous philosophers, including the French rationalist …show more content…

This becomes evident through a careful examination of each philosopher’s argument and the difference between subjective and objective reality. Rene Descartes, the first of the aforementioned philosophers, tried to discover knowledge that cannot be proven false and in doing so, cast doubt on our ability to know that there is an objective reality. He argued that in order to come to true knowledge, one must have no reason to doubt the truth of the premises on which he bases his argument. The problem with this, is that much of the information he had was based on sensory input. He argued that sensory input always had the potential to be faulty. A straw placed in a glass of water will appear to be bent when it is not. Furthermore, any experience one has could be a dream or hallucination, and one has no sure way of confirming that any experience is not a convincing illusion. Descartes concluded that in order to reach true knowledge, he must start with premises that are self-evident and outside of the realm of experience. The first of these is his own existence. He says that it is self-evident and irrefutable because it proves itself each time he thinks, or as he put it, “I think therefore I am.” Perfection cannot be found in the realm of experiences, and as such, Descartes claimed that

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