outline of the indivisibility argument

  • Created by: imyimss
  • Created on: 10-10-18 14:37
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  • OUTLINE OF DESCARTES' INDIVISIBILITY ARGUMENT
    • LEIBNIZ'S LAW
      • if two things share all the same properties then they must actually be one thing
        • but if one has any property that the other lacks, they must be two distinct things
      • how Descartes uses this law
        • mind = indivisible
        • body = divisible
    • PREMISE 1
      • my mind is indivisible
        • minds seem to have a unified nature
          • don't experience mind as anything but a singular consciousness
            • mental thing have no size / shape / NO EXTENSION
              • no sense to talk about dividing a belief into parts
              • indivisible
      • PREMISE 2
        • PREMISE 3
          • this argument is valid in the sense that it's impossible for something to be and not be at the same time
            • can't be both divisible and non-divisible
    • Descartes attempts to show that mind and body are separate, distinct things
    • "when i consider the mind...I can't detect any parts within myself, I understand it to be something single and complete" - Descartes
    • "if the arm or foot or any other part of the body is cut off...nothing is thereby taken away from the mind"
    • sense perceptions are properties of the mind
  • therefore mind must be different from body
    • divisibility is a property of the body which mind lacks
      • how Descartes uses this law
        • mind = indivisible
        • body = divisible
  • my body is divisible
    • PREMISE 2
      • PREMISE 3
        • this argument is valid in the sense that it's impossible for something to be and not be at the same time
          • can't be both divisible and non-divisible
    • bodies and organs are physical objects and have extention
      • can be divided
  • my mind is not my body

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