Ontological Argument: Weaknesses

Definition of God:

Aquinas: We do not know if our definition of God is right, as "God is beyond human understanding".

Aquinas: As we do not know if our definition of God is correct, we cannot argue his existence without evidence (Anselm would argue that it was not designed to prove God's existence, but as a prayer to believers).

'The greatest' & 'the most perfect' do not have a maximum, so are not proper concepts (they can always be added to).

Existence as a Predicate:

Kant: Existence is not a real predicate/not add to our understanding.

Kant: Existence cannot be added or subracted from something.

Hume &…