The Space of Reasons 2007-09-25

Reid's "Same Shop" Argument (Part 2)

The central contention of the Shop Argument is that our trust in our sensory faculty (along with the other cognitive faculties) is a first principle just like our trust in reason. The reliability of both faculties is derived from the same place—i.e., how we have been designed by Nature—and neither is therefore better than the other. In a slogan, all first principles are created equal.However, pace what Reid has to say on the matter it seems to me that there is in fact something special about the rational faculty that sets it in sharp contradistinction to the sensory faculty. Specifically, there appears to be a unilateral relationship between the two faculties such that our rational deliberations can be employed to evaluate the reliability of our sensory deliverances, but our sensory deliverances cannot be used to evaluate our rational deliberations.This claim ...

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