Hierarchy of Souls

• What is Aristotle's hierarchy of souls?

  Humans are at the top of this hierarchy
• What does it say in Summa Theologica?


  "Although man is of the same genus as other animals, he is of a different species"
• Humans are the only rational beings
• Animals have instrumental value 


  Exist for human's use
• What example does Aristotle use?

  Killing another persons' ox is nothing more than property theft