descartes' ontological argument

what kind arg is Descartes ontological arg.

deductive - if premises are true then the conclusion must also be true

what the main aim of Descartes ontological arg.

to prove the existence of God based on the existence of God

give his arg. in standard form

• descartes says”I have the concept of a perfect being and see that he just exist”

• so we have the idea of God as a supremely perfect being,

• a supremely perfect being has all perfections

• existence is a perfection (cant be separated from the concept of God)

• therefore a supremely perfect being, God exists

what does descartes believe about his concept of a prefect being

he believes that it is an innate concept

how does descartes justify the premises of his arg.

they are justified a priori as innate knowledge or as a form of rational intuition

what are objections to his arg.

• gaunilos island

• hume’s fork

• kant - existence isnt a predicate