Must have a definition before you can assert of deny it
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Anselm's quotation on OA?
God is ' a being to which nothing greater can be conceived'
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Anselm argument in 4 points?
1. God is the greatest possible being 2. God may exist in the mind or reality 3. To be the greatest, must exist in both 4. Therefore, God exists in both
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What does Anselm call an Atheist?
A fool
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What would be a limitation to God according to Anselm?
God has to exist, or his existence would be a limitation to a greater being
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What is reductio ad absurdum?
It is a form of absurd and unacceptable implications.
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Why is Anselm's argument nonsensical?
Because they try to prove nothing, this is impossible because you cannot prove nothing
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What does Gaunilo do?
Critique Anselm's form 1
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What evidence does Gaunilo reject? Quotation
A Priori. 'An object can hardly or never be conceived according to the word alone'
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What analogy does Gaunilo use?
The Greatest Island. Imagine a perfect island, just because we have imagined it does not mean it exist in reality. Island that does exist in reality would be greater than the one in the mind.
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Why does Anselm have a second proposition?
Because Gaunilo rejected it
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What does Anselm's 2nd Form do instead?
Show that God cannot cease to exist
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Anselm's form 2 in 5 points?
1. God either exits or he doesn't 2. If he exists then his existence would be a necessary 3. If he does not exist then his existence would be logically impossible 4. Therefore, existence is necessary 5. Therefore he exists
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Why cannot God be compared to an island?
Because God is necessary and the island is contingent upon other components
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Descartes quotation on God?
'Supremely perfect being'
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What does 'I think therefore I am' mean?
Because we can think we are aware we exist
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Why is existence a logical fact?
Because we can think
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When can we seek knowledge of the wider universe?
Once we can be sure we exist
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Why by Descartes definition prove God exists?
Because existence is perfection, it is part of his essence.
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What is God's existence according to Descartes?
Perfect, it is part of God's essence.
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Descartes- A thing which did not exist would by definition....
May not be perfect, because the existing version is more complete.
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Descartes- Anything that is perfect....
Must exist
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What is the basis of Platininga's argument?
Maximal greatness and excellence
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What is there in a possible world according to Platininga?
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