Rene Descartes Ontological Argument

Descartes’s mission in the meditations was to doubt everything and that what remained from his doubting could be considered the truth. This lead Descartes to argue for the existence of God. For the purpose of this paper, I will first discuss Descartes’s argument for the existence of God. I will then take issue with Descartes’s argument first with his view on formal reality and varying levels of reality, then with his argument that only God can cause the idea of God. I will then conclude with

Descartes is considering that all of his experiences could be false and that everything is just the invention of a powerful being. This resulted in this argument:

I have an idea of a perfect being; it must contain in reality all the

As the first “premise” of his proof Descartes makes a very important distinction between the various types of ideas. The first type of idea he discusses is ideas that are images of things. This type of idea, when thought of, is apprehended as an object of my thought, but there is something more embraced in the thought than merely the representation of the object. Now if these ideas are considered only in themselves, and are not referred to any object beyond them, they cannot, properly speaking, be false. This even applies to the will and affections, a second type of idea, for although I may desire objects that are wrong, it is still true that I desire them. The third type of idea is that of judgement. Descartes goal in this classification is to find in his mind which of the ideas are the proper bearers of truth and falsehood. Considered in themselves, ideas are not false nor are desires. The only place where mistakes can be made is in making judgements. As Descartes says, “And the chief and most common mistake which is to be found here consists in my judging that the ideas which are in me resemble, or conform to, things located outside me.” Descartes further classifies his ideas by their origin: those that appear

Descartes’ “Cartesian Circle” has come under fire from countless philosophers because it supposedly commits a logical fallacy with its circular reasoning. In his second Meditation, Descartes attempts to prove the existence of God. He states that clear and distinct perception leads to knowledge, and that God’s existence is apparent and obvious because of things we have come to perceive as knowledge. Furthermore, he asserts that we cannot turn these perceptions into knowledge without the assurance that God exists. Essentially, Descartes claims that God is a necessary condition for knowledge, which in turn requires the existence of God. This circular logic presents a problematic scenario similar to the “chicken

After giving his first proof for the existence of God Descartes concludes by mentioning that this proof is not always self-evident. When he is absorbed in the world of sensory illusions it is not quite obvious to him that God’s existence can be derived from the idea of God. So to further cement God’s existence Descartes begins his second proof by posing the question of whether he could exist (a thinking thing that possesses the idea of an infinite and perfect god) if God itself did not exist.

Descartes’s attempt to prove the existence of God begins with the argument that he has the clear and distinct idea of God as the “most perfect being and that there must be at least as much reality in the efficient and total cause in the effect of that cause” (40). Therefore, this idea of God can’t be from himself, but its cause must be God. So God exists. In what follows I’ll explain these terms and why the premises seemed true to him.

My initial approach to René Descartes, in Meditations on First Philosophy, views the third meditation’s attempts to prove the existence of God as a way of establishing a foundation for the existence of truth, falsity, corporeal things and eventually the establishment of the sciences. When viewed in this light, Descartes is accused of drawing himself into a ‘Cartesian circle,’ ultimately forcing this cosmological proof of God to defy Cartesian method, thus precipitating the failure of the third, fourth, fifth and sixth meditations. This approach to the meditations, in the order with which they are presented, allows me to state that a proof of the existence of God cannot hold

Descartes’ method offers definitive conclusions on certain topics, (his existence, the existence of God)but his reasoning is not without error. He uses three arguments to prove existence (His and God’s) that attempt to solidify his conclusions. For his method to function seamlessly, Descartes needs to be consistent in his use of the method, that is, he must continue to doubt and challenge thoughts that originate in his own mind. He is unable to achieve this ideal state of mind, however, and his proofs are shown to be faulty.

The existence of God has always been an arguable topic. Descartes’ however, believed that he had proof of God’s existence through an intense analysis of the mind. Throughout this paper I will discuss what he has provided as proof and some of the complications that arise throughout his argument.

“Cogito ergo sum;” I think therefore I am. This philosophical statement stimulated a renaissance in the field of philosophy, creating modern Western philosophy as is known today. This important notion was dictated by Rene Descartes in his 1641 metaphysics work, Mediations on First Philosophy, and influenced all modern philosophical works written after Descartes revolutionary achievement. This work was written at a time when modern physics was being developed as a mathematization of nature. The principles of metaphysics contain in Meditations were developed in order to serve as the basis for this new system of physics. In it, Descartes refutes many Aristotelian beliefs that were popular and accepted by the clergy for nearly the entirety of

Given the above arguments one can begin to understand the nature of the God Descartes is endeavoring to prove. For Descartes, God is infinite and perfect existence. God is “eternal, immutable, independent, supremely intelligent, supremely powerful, and [the creator of] everything else". (Descartes 20) Not only does God possess this nature but it is necessary that He does so. If God is not infinite or perfect God could not exist as these attributes are essential to God's existence. Furthermore, if God is not the ultimate creator the innate idea of God we experience would cease to be innate but adventitious (externally caused) or imaginative (caused by the mind) which is again impossible given its content. Given these qualities one can draw a connection to the

When someone thinks about philosophy a common phrase that pops into a person's’ head us, “I think, therefore I am.” This phrase was created by Rene Descartes, a philosopher from the 1600s. He was a skilled mathematician, scientist, and philosopher. He wants in the paper, Meditations on First Philosophy to prove that God exists. While this is not the strongest theory it does offer an interesting outlook on life. This text offers a look into Descartes thoughts and the basis of Western Philosophy. Moreover, Descartes speaks overs methods of skepticism, his famous idiom, and the main meat of the paper, proving the existence of God.

In this paper I intend to show that Descartes’ cogito ergo sum and ontological arguments both rely on the method of doubt and follow from the premise that essence implies existence. The cogito ergo sum is different from the latter one, however, from the fact that it did not contain the premise regarding the cause and effect of an idea having objective reality. The main problem with this argument is that while essence and existence were said to be inseparable, it does not happen to be the case.

Rene Descartes, a 17th century French philosopher believed that the origin of knowledge comes from within the mind, a single indisputable fact to build on that can be gained through individual reflection. His Discourse on Method (1637) and Meditations (1641) contain his important philosophical theories. Intending to extend mathematical method to all areas of human knowledge, Descartes discarded the authoritarian systems of the scholastic philosophers and began with universal doubt. Only one thing cannot be doubted: doubt itself. Therefore, the doubter must exist. This is the kernel of his famous assertion Cogito, ergo sum (I am thinking, therefore I am existing). From this certainty Descartes expanded