Define ontological thesis

If this is correct, then Anselm's second version of the argument also fails.

ontological argument for dummies

The ontological argument is clearly logically valid—that is to say, the conclusion necessarily follows provided that Premises 1 to 5 are true. God exists in the understanding. Hence Even the Fool cannot reasonably deny that that than which no greater can be conceived exists in reality Hence That than which no greater can be conceived exists in reality.

modal ontological argument

Nor, as Spinoza observed, will it make sense to say that something could prevent Him from existing. Now if I take the subject God with all its predicates omnipotence being oneand say, God is, or There is a God, I add no new predicate to the conception of God, I merely posit or affirm the existence of the subject with all its predicates - I posit the object in relation to my conception.

ontological argument criticism

Therefore, the existence of God is logically necessary. Therefore, a maximally great being that is, God exists in every logically possible world. Also, it has been explained that the perfection of a thing is the thing itself, and not a thing in addition to it.

Ontological argument strengths and weaknesses

A piland that exists as an idea in the mind and in reality is greater than a piland that exists only as an idea in the mind. Thus, the very concepts imply that there exist no entities that are both square and circular. There are a number of plausible arguments for thinking that even this restricted set of properties is logically inconsistent. Tooley, M. One might say, with some intelligibility, that it would be better for oneself or for mankind if God exists than if He does not-but that is a different matter. Perhaps the most influential of contemporary modal arguments is Plantinga's version. He considers examples of necessary propositions, such as "a triangle has three angles", and rejects the transfer of this logic to the existence of God. Some commentators claim that the main proof is in Proslogion II, and that the rest of the work draws out corollaries of that proof see, e. See Rescher for a live version of this argument.
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Ontological Argument