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Descartes theory about doubt
Descartes theory about doubt
Life and works of rene descartes
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Belief is something that everyone has, whether it is regarding religion, opinions, or judgements. People believe in something. The main question is why do people believe? There has been constant debates on beliefs and if they should have sufficient evidence before they start believing in them. Many people, like Philosopher Blaise Pascal, who believe that beliefs do not need evidence. Pascal reasons that people should blinding believe, even if they do not have the evidence to prove it. However, there are people like William K. Clifford who propose the opposite. Clifford states that there are certain beliefs that require adequate evidence. Evidence is extremely important and definitely required for beliefs to be accepted. Adequate evidence
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Descartes is a philosopher who usually follows skepticism. He believes his knowledge in terms of doubt. According to descartes, the knowledge of objects comes from the mind, not from senses. Descartes believes that “our senses give us impressions that can be misleading but our minds associate sets of impressions (even misleading ones) with objects” (Philosophy Demystified 81). In other words, how we know things is because of past impressions that stick to us. However, he also says that because of this past impression, they can sometimes lead us to the wrong thing or be portrayed in the wrong way. This idea is similar to the shipowner who was unsure of the safe passage in Clifford’s analogy. The shipowner believes that the ship is good to sail from “past impressions” which was a misleading impression. He concluded that since the ship has made many safe journeys that it will survive another safe journey. This conclusion was wrong since it that had caused many deaths of the people who traveled on the ship. Continuing onto Descartes statement about doubt, the shipowner first doubted the safety of the ship but used past impressions to calm his doubts. Descartes claims that doubt is needed in order to obtain the truth and knowledge. In order for beliefs to be accepted, one should doubt it and question the reasoning behind it before believing it. The shipowner did the opposite, he had doubts and used past impressions to justify his
Where the boat had sailed fine before, and that he would push out all worries of the state of the ship and put his trust in the ship builders and contractors. Through this self-conviction he came up with the unjustified belief that the ship would be able to fare the seas without trouble. The boat being not seaworthy and ultimately sinking is not the fault in his logic, but rather a cause of his unjustified belief. Clifford states, "The question of right or wrong has to do with the origin of his belief, not the matter of it; not what it was, but how he got it; not whether it turned out to be true or false, but whether he had a right to believe on such evidence as was before him." (Clifford). What Clifford means by this is that even if the ship hadn 't of sank, and sailed smoothly, the ship owner would still be wrong for his belief because it was not reached by sufficient evidence. His beliefs directly caused harm to others, and thus unjustified beliefs are dangerous and immoral. Clifford believed that how one reached their beliefs was more important than the belief itself. He believed that it was more morally correct to have a false belief derived from a plethora of evidence than a true belief that did not have
to make sense of our world, and that the ability to think mathematically was an
In Meditations, Descartes brings doubt to everything he believes because it is human nature to believe that which is false. He states that most of what he believes comes from the senses and that a lot of times those senses can be deceived. His conclusion of doubting everything is based on his example of a basket of apples. It goes as follows; you have a basket of apples but you fear that some apples have gone bad and you don't want them to rot the others, so you throw all the apples out of the basket. Now that the basket is empty you examine each apple carefully and return the good apples to the basket. This is what he does with his beliefs, he follows and keeps only those beliefs of which he is sure of. Our beliefs as a whole must be discarded and then each individual belief must be looked at carefully before we can accept it. We must only accept those beliefs we feel are good.
Baird and Kaufmann, the editors of our text, explain in their outline of Descartes' epistemology that the method by which the thinker carried out his philosophical work involved first discovering and being sure of a certainty, and then, from that certainty, reasoning what else it meant one could be sure of. He would admit nothing without being absolutely satisfied on his own (i.e., without being told so by others) that it was incontrovertible truth. This system was unique, according to the editors, in part because Descartes was not afraid to face doubt. Despite the fact that it was precisely doubt of which he was endeavoring to rid himself, he nonetheless allowed it the full reign it deserved and demanded over his intellectual labors. "Although uncertainty and doubt were the enemies," say Baird and Kaufmann (p.16), "Descartes hit upon the idea of using doubt as a tool or as a weapon. . . . He would use doubt as an acid to pour over every 'truth' to see if there was anything that could not be dissolved . . . ." This test, they explain, resulted for Descartes in the conclusion that, if he doubted everything in the world there was to doubt, it was still then certain that he was doubting; further, that in order to doubt, he had to exist. His own existence, therefore, was the first truth he could admit to with certainty, and it became the basis for the remainder of his epistemology.
"Whatever I have up till now accepted as most true I have acquired either from the senses or through the senses. But from time to time I have found that the senses deceive, and it is prudent never to trust completely those who have deceived us even once"(First Meditation, 2). Although the senses help us perceive the world, Descartes believes that the senses are not reliable, and that the mind is a better source of knowledge, and this is due to existence of dreams, evil demons, and the wax argument.
Human beings’ belief systems don’t always work according to evidence. Belief is made up of
Not only did Descartes set aside all of his previous knowledge, but he also set aside all knowledge he had gained, and that he continued to gain from his five senses. He would not believe what his eyes saw, or what his hand felt, because he could not yet determine his senses as giving him knowledge that could be turned into certainties. He did not have any reason to believe that he could rely on his senses. Descartes doubting of his senses also caused him to reject any knowledge that he had gained through life experience. Most of the knowl...
In the first meditation, Descartes makes a conscious decision to search for “in each of them [his opinions] at least some reason for doubt”(12). Descartes rejects anything and everything that can be doubted and quests for something that is undeniably certain. The foundation of his doubt is that his opinions are largely established by his senses, yet “from time to time I [Descartes] have found that the senses deceive, and it is prudent never to trust completely those who have deceived us even once”(12). First, Descartes establishes that error is possible, employing the example of the straight stick that appears bent when partially submerged in water, as mentioned in the Sixth Replies (64-65). Secondly, he proves that at any given time he could be deceived, such is the case with realistic dreams. Further, Descartes is able to doubt absolutely everything since it cannot be ruled out that “some malicious demon … has employed all his energies in order to deceive me” (15). The malicious demon not only causes Descartes to doubt God, but also sends him “unexpectedly into a deep whirlpool which tumbles me around so that I can neither stand on the bottom or swim on the top”(16). Descartes has reached the point where he must begin to rebuild by searching for certainty.
Beliefs are imprinted in our consciousness that alters our perceptions, attitudes and how we react towards situations and moments of decisions, they perceive our realities. Everyone has a different imprints and perceive their beliefs from their personal experiences. Beliefs dictate how we react to life. Our beliefs can be altered and changed throughout the course of our lifetime
Cartesian Skepticism, created by René Descartes, is the process of doubting ones’ beliefs of what they happen to consider as true in the hopes of uncovering the absolute truths in life. This methodology is used to distinguish between what is the truth and what is false, with anything that cannot be considered an absolute truth being considered a reasonable doubt. Anything which then becomes categorized as a reasonable doubt is perceived as false. As Descartes goes through this process, he then realizes that the one thing that can be considered an absolutely truth is his and every other individual’s existence. Along with the ideology of Cartesian skepticism, through the thinking process, we are capable of the ability to doubt that which is surrounding them. This ability to think logically and doubt is what leads us to the confirmation of our existence.
Physically, humans consist of muscle, bones, blood, cells, but how do we really classify what makes a human a human? What if someday a scientific finding occurs and we learn that we can move a person's brain to another person's body, or into an robot. Are they still the same person or even a person? Opposite sides would say no, because the flesh is not the same or even there at all, but those sides are forgetting all the memories that the brain possess.If a person is aware of their conscious and unconscious minds, they are human.
René Descartes was a French philosopher who refused to believe that true knowledge was obtainable through the means of sense perception. Descartes believed that the senses; as we know them, could be manipulated and twisted into providing false understanding of the external world. In the search for the truth amongst what we perceive in life, Descartes is justified in his claims that our senses cannot be trusted. Only by questioning all that is known as human beings, can one find the absolute truth in life. Through the use of two different thought experiments, Descartes uses reasoning to questions what we perceive as reality and truth.
Descartes’ first two Meditations are arguably the most widely known philosophical works. Because of this, one can make the error of assuming that Descartes’ method of doubt is self-evident and that its philosophical implications are relatively minor. However, to assume this would be a grave mistake. In this paper, I hope to spread light on exactly what Descartes’ method of doubt is, and how, though it furnishes challenges for the acceptance of the reality of the external world, it nonetheless does not lead to external world skepticism.
Philosophical context: I shall use Descartes’ Meditations 1 and Blackburn 's “Think” to discuss the question and my initial answer. In Meditations 1, Descartes sets out to destroy all preconceived notions from his childhood and establish a new foundation for the sciences -- a lasting foundation and explores methods of doubt to his own senses and how to deal with them properly.
A belief is a feeling that an idea is real or true. Beliefs are shared