活动通知

时间：6月2日12：10-13:00

地点：哲学系 B114

主讲人：史凌志

题目: Limited Knowledge of One’s Margin for Error

摘要：The KK principle, one of the iteration principles in epistemology, claims that if you know that p then you know that you know that p. Timothy Williamson raises a counterargument against this principle in his 2000 work, by showing that combining KK principle with two other plausible principles, the closure principle and the margin for error principle, will lead to contradiction. However, in this talk I will point out that Williamson’s argument against KK can not apply to a particular type of epistemic agent who is partly ignorant of (or only has limited knowledge of) his margin for error. Also, this type of epistemic agent is not excluded from the principles presupposed by Williamson. This consequence will lead to a loss of theoretical virtue of Williamson’s argument, since Williamson is intended to demonstrate that it is a structural limitation for human knowledge that KK principle is not valid.

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