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Descartes: “I think, therefore I am”

Publié le 04/06/2016

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descartes
Descartes : Human knowledge is based on innate ideas = Innatism ( compatible with rationalism) René Descartes used methodic doubt to reach certain knowledge of self-existence in the act of thinking, expressed in the indubitable proposition cogito, ergo sum (“I think, therefore I am”). René Descartes (1596-1650) sought to doubt the truth of all his beliefs in order to determine which beliefs he could be certain were true. This method was called : method of doubt. He says that our knowledge can be wrong, because our senses or our judgments can be wrong. According to him, anything we think or perceive can be wrong. But in trying to doubt everything, he discovers something that he can’t doubt about. What he can’t doubt about is that he is doubting. Obviously, I exist if I doubt that I exist. My doubt that I exist proves that I exist, for I have to exist to be able to doubt. Therefore, I can’t doubt that I exist. Hence, there is at least one fact in the universe that is beyond doubt. I am, I exist is necessarly true each time that I pronounce it, or that I mentally conceive it. This methodology is called hyperbolic doubt, ------------------------------------------------------------------------------------------------------------- In philosophy, the question of innate ideas (people are b...

descartes

« The first part is devoted to a detailed refutation of the belief that any of our knowledge is innate . The second part tries to answer the question   :«    How can we  acquired knowledge   ?   Locke is looking for unprejudiced readers to go beyond innate knowledge/ ideas.   First arguments        : He claims that if the theory of innate ideas were true, our sensory faculties would be  useless because knowledge would be imprinted on the mind. According to him, if we  were born with the ideas of colors, we would not need eyes, we would not need to  experience them, to see them.  Our ideas of colors, sounds, smells, tastes, and heat, Locke supposed, are acquired respectively through our eyes, ears, noses, tongues, and skin.

If innatism were true, we would not need senses.

Descartes established a theory : Dualism Soul : cognitive part : States that we don’t need body, because knowledge is directly in the soul.

Our eyes can lead us to make mistakes.

The body is completely useless.

Only the soul is necessary to reach knowledge.

Knowlegde is a part of the soul, we cannot distinguish knowledge from the soul.

The first knowledge we can have : He thinks so he exists.

This way of thinking, which correspond to the cognitive part is opposed to what we can called the corporeal part according to which the body is necessary to acquired knowledge.

Because of that, innate ideas are not proved but not disproved.. »

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