Read another response by Allen Stairs

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Isn't the standard analysis of knowledge circular? Specifically, in order to establish that one knows P, under the standard analysis, one must establish that she has a belief in P, that the belief is justified, and that the belief is also true. It's this last element which seems to make the standard analysis circular. Namely, to assert that P is true seems the same as asserting that one knows that P is true. Thus, since the standard analysis seems to require, as an element of establishing knowledge of P, that P is true, and since asserting that P is true seems to be the same as an assertion that one knows P to be true, it seems that the standard analysis requires one to successfully assert knowledge of P (viz., that P is true) in order to establish one's knowledge of P (since the truth of P is an element of knowledge under the standard analysis). Can someone please clear up my confusion?