Edmund Gettier's Is Justified True Belief Knowledge?

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In Edmund Gettier’s paper “Is Justified True Belief Knowledge?” he states that for a definition to be true it has to pass a number of sufficient conditions to make that definition valid. The three definitions that Gettier is rejecting in his paper, all have the same starting definition; that “s knows that p”. Also, they all depend on the fact that they a proposition is known if and only if all three of the conditions support the definition. Gettier uses sufficient evidence to prove that these three definitions are true and valid. I will argue that through Gettier’s two cases explained in this paper, he proves that these three definitions are incorrect, but also that they are very similar in content so the same explanations can be used …show more content…

It cannot be one hundred percent one way or the other. To support his argument, Gettier uses examples, or cases as he calls them. His first case is about two people Smith and Jones. They are both going in for interviews for the same job. Smith believes that Jones will get the job, and meets all of the requirements to make that definition valid, such as that “p is true”; where P represents the fact that Jones has ten coins in his pocket. Smith is the one that actually ends up getting the job. Also, “s believes that p”; Smith does believe that Jones has ten coins in his pocket. Lastly, “s is justified in believing that p” Smith has evidence and is justified by that evidence that because Jones has met all of these requirements. The President of the company assured Smith that Jones would be selected and that Smith counted ten coins in Jones’s pocket. So it is not hard to see why Smith believed that Jones would be the one to get the job out of the two of them. In this case, it is true but also false; this is shown by Smith also having ten coins in his pocket and that he ends up getting the job over Jones. Gettier defends his rejection of the theory of knowledge with a second case (Gettier …show more content…

He has the same names of two people, Smith and Jones. In this case, Smith is arguing that Jones has always, and is now, owning and driving a Ford car, when in fact he does not own a Ford. Jones picked Smith up in a Ford car and every time he has seen him driving it has been in a Ford. So, in definition (a) “P is true” (Gettier 121), Smith is driving a Ford. This is actually false, because even though Jones believes that he owns a Ford, in reality, he does not own a Ford. “S believes that P” meaning that Jones has evidence of this conclusion and he does truly believe that Smith owns a Ford. Lastly, “s is justified in believing that P”. It is not justified why Jones believes that Smith owns a Ford because he has never seen him in a car other than a Ford, but this does not make the statement true. Jones was not aware that Smith is driving a rental car, so this proves that the theory of knowledge does not work because not all three conditions are met (Gettier

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