The Space of Reasons 2007-09-15

Reid's "Same Shop" Argument

External-world scepticism is the thesis that we cannot know that the external world exists or that it is as we perceive it to be. The canonical summary of Reid’s reply to external-world scepticism is that found in chapter 6 of the Inquiry: The sceptic asks me, Why do you believe in the existence of the external object which you perceive? This belief, sir, is none of my manufacture; it came from the mint of Nature; it bears her image and superscription; and, if it is not right, the fault is not mine: I even took it upon trust, and without suspicion. Reason, says the sceptic, is the only judge of truth, and you ought to throw off every opinion and every belief that is not grounded on reason. Why, sir, should I believe the faculty of reason more than that ...

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