Is Justified True Belief Knowledge?

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Is justified true belief knowledge? Right now I know that I am reading this essay out loud in the philosophy tutorial. I do know that because I can see the essay in front of me and I can hear my words as I read it. Words like ‘know’ and ‘knowledge’ are very common words in our lives and our dictionary. However, as simple as it seems to use these words, philosophers still haven’t managed to define knowledge in an adequate way, which will be able to cover all the controversies hidden behind it. Frequently, it is argued that knowledge is justified true belief. However rational this might seem at a first sight, there exist situations in which this definition fails to meet the criteria that will make it adequate for a definition of knowledge, as I will explain further on in this essay. The most widely known definition of knowledge as justified true belief (JTB) is the tripartite definition, a definition based on three conditions, truth, belief and justification. This definition -as its name suggests- consists of three parts and is expressed further on : S knows that P IFF (i) P is true (ii) S believes that P, and (iii) S is justified in believing that P There are many problems that arise from this definition. First of all, the definition is restricted to cases that concern ‘knowing that’. It does not apply in cases where ‘knowing how’ (e.g. knowing how to drive) or ‘knowing something’ (e.g. knowing Greek) are concerned. In addition as far as conditions (i) and (ii) are concerned, it is not always necessary for knowing P that either S believes that P or that P is true. There are cases where these conditions are actually not necessary for S to know that P. Finally, the main problem that arises in this definition has to do with whether all three conditions are actually

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