John Locke’s Theory of Personal Identity

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The question of personal identity is very intuitive, yet very difficult to define. Essentially, what makes you, you? John Locke was one philosopher who attempted to answer this question. He proposed a psychological theory to define personal identity. His theory does have some merit, but it is not a correct definition of personal identity, since there are some counter-examples that cannot be accounted for. My argument will prove that Locke’s theory of personal identity is false. Locke’s theory states that A is the same as B if and only if B remembers at T2 something done or experienced by A at T1. He often uses the word “consciousness” to help explain his theory, saying that one can remember back to a past conscious state, and can connect it to his current conscious state (Locke 367). I am currently conscious of my introspective experience of last Christmas, therefore I am the same person I was last Christmas, which is correct. Memories are also very personal, so they are exclusive to the person who possesses them. Although two people may share a similar memory, they do not have th...

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