Ontological Argument Flashcards
Intro- Where does the name ontological come from?
Greek word ontos meaning essence.
What is the ontological argument based on?
The claim that God’s existence can be deduced from his definition and once God is correctly defined, there is no doubt that he must exist.
What are the features of the argument?
A priori, deductive, only way to attack it is by denying truth in the premises (deny validity) or by denying the conclusion (deny soundness) follows the premises.
Where is Anselms argument written
Proslogium 2
Give the 3 premises and conclusion.
P1. God is the greatest conceivable being (by definition)
P2. It is greater to exist in reality than the mind alone
P3. God exists in the mind
C1. Therefore, God exists in reality
What does Anselm use to illustrate his idea?
Painter has an idea of what they will paint in their mind before painting it in reality. The painting in reality and mind is greater than the painting in only the mind. Meaning it is greater for God to exist in reality than only the mind, by definition exists.
Who is Anselm referring to in his argument- quote.
Anselm points to Psalm 14:1 “the fool says in his heart, ‘there is no God’.”
How does the argument work on athiests?
They say they do not believe in God, however that means they have an idea of God in their mind. Due to the definition of God, he cannot exist in the mind alone- as we could perceive something greater, so he must exist in reality
Quote from Anselm about God not only existing in the mind.
‘than which nothing greater can be conceived, cannot exist in the understanding alone’
Crit 1: What is Gaunilo’s lost island response to Anselm in a nut shell?
Gaunilo denies that the ontological argument is actually a valid deductive argument, attacking the inference from the premises to the conclusion of God existing in reality
Crit 1: Quote from Gaunilo about him rejecting Anselm
“I have in my understanding all manner of unreal objects”
Crit 1: What does gaunilo use to illustrate his criticism? And explain Criticism.
Perfect lost island, put his argument in parallel with Anselm: It is possible to concieve the perfect lost island, it is greater to exist in reality tha to exist only in the mind, therefore the perfect lost island must exist in reality.
Crit 1: How does this reject Anselm’s argument?
We know such an island cannot exist is reductio ad absurdum. proving that Anselm’s argument can be used to prove he existence of an endless amount of perfect objects.
Counter Crit 1- What is the counter called and from where?
Responsio, proslogium 3.
Counter Crit 1- Explain the responsio.
To be perfect the island must be ‘which no greater island could be perceived’, one which no greater could be perceived would have to exist necessarily as a contingent island would be less great, islands are contingent so cannot exist necessarily, therefore the logic of Gaunilo does not apply to God. Necessary existence is only a predicate of God, so the argument can’t be applied to God.