PHIL 110 Lecture 23: Lecture 23
15 Mar 2016
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Document Summary
We have seen predication, now we are going to learn how to deal with attribution. Attribution means that bruce wayne has a certain property, which is being a billionaire. Whereas the predication shows that two things are of the same, bruce. The north star is a guide to navigation. Many arguments require us to consider identity, otherwise we can"t show that they are formally valid. example: If kanye west is right, he is the greatest genius of all times. Therefore, if kanye is right, einstein isn"t the greatest genius of all times. We cannot show this argument is formally valid without identity, where this argument is valid. We would symbolize batman is bruce wayne as follows. Let b stand for batman and e for bruce wayne: We would symbolize clark kent is not batman as. ~c = b or, equivalently, c = b. Thus, a = b and ~a =b are contradictories.
