IB Philosophy Core: Descartes Meditation 5
- Created by: Milly
- Created on: 28-04-13 10:09
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- Fifth Meditation
- Ontological argument
- St Anselm
- By definition God must exist since he is the greatest conceivable being
- Uses only reason and logic
- A priori previous argument was a posteriori
- Triangles have an immutable essence within them - tree sides
- All certain things have an essential nature by definition
- They can be proven without experience
- Existence is part of God's essential nature
- If he did not exist he would not be perfect
- Mountains can only exist with valleys
- All certain things have an essential nature by definition
- St Anselm
- Objections
- Gauniol's 'Perfect Island'
- If you can conceive of a perfect island then it must exist
- Implies that objects can be imagined into existence
- Kant said existence is not a property of perfection
- For instance the difference between an amount of money that exists and that does not, is its existence not its perfection
- God's existence would have to be accepted in order for his thoughts to be controlled
- Gauniol's 'Perfect Island'
- Ontological argument
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