Challenges the ontological argument
-It is not possible to use reason alone to demonstrate reality. (rational evidence)
-To prove something exists require empirical evidence.
-The perfect island analogy
-'On behalf of the fool'=Book
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Anselm's reply to Gaunilo
-God has a necessary existence
-Islands are contingent, so they cannot be compared to God.
-We can always add things to the island to make it greater, but God's definition shows that he is maximally perfect.
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Immanuel Kant
-existence is not a predicate.
-Saying something exists adds nothing to the concept.
-It makes no sense to say that an item lacks the predicate of existence. That item would need to exist first in order to lack the predicate.
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Key words
-Ontological: ontology 'concerned with being'.
-A priori: no empirical evidence, use of rational evidence (true purely by logic).
-In re: in reality
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Key Words
-Deductive: Provided all premises are true the conclusion has to be true.
-In intellectu: in the mind alone as a concept.
-Analytic existential proposition: A statement about existence that is necessarily true.
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Other cards in this set
Card 2
Front
Anselm's reply to Gaunilo
Back
-God has a necessary existence
-Islands are contingent, so they cannot be compared to God.
-We can always add things to the island to make it greater, but God's definition shows that he is maximally perfect.
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