Gettier: The Challenge to the Traditional Conception of Knowledge

Introduction and ContextGettier’s “Is Justified True Belief Knowledge?” is considered to be one of–if not the most–important articles of 20th Century philosophy.  Pre-Gettier, the standard definition of knowledge (since at least Aristotle) was “justified true belief”.  Pretty much everyone we’ve studied so far held this account of knowledge to be correct (with the exception of Goldman who wrote post-Gettier […]

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