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For Exercise 5, part 9, can I add a Founder attribute to Student and/or Advisor?

April 26, 2017advisor Exercise Founder student

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For Exercise 5, part 9, can I add a Founder attribute to Student and/or Advisor?

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If you like, then yes. However don’t add a Founder attribute to Person. Persons don’t have founders, though students and advisors do. Incidentally, there are solutions that don’t require this new attribute, so I’m not implying that everyone should do this. You are also allowed to create a predicate Founder.Instance if you like.