God does not necessarily have to exist in descartes' meditations, he makes the strong claim that god must exist i will first explain what descartes's argument for god's existence is, and then i will attempt to support the argument that god does not need to necessarily exist through objections and replies. The problem with rené descartes' argument about the existence of god has to do with his rationalist deductive reasoning descartes deduces that truth about the existence of god lies within his idea of a perfect god and god's essence (as a perfect being who must exist in order to be perfect) a. Descartes' ontological (or a priori) argument is both one of the most fascinating and poorly understood aspects of his philosophyfascination with the argument stems from the effort to prove god's existence from simple but powerful premises. Descartes invalidates the argument since, an individuals' existence presently cannot reflect that individual's previous existence it is ignorant to presume that just because we have always existed, that it is an adequate explanation for our origin.
From this we can derive at the possibility that god may be imperfect, and this is a contradiction to descartes' argument of god as a perfect being in the meditation five, descartes attempts to prove his hypothesis of the existence of god based on the theory of clarity and distinctness of perception. Argument for the existence of god based on the idea that being progresses from inanimate objects to increasingly complex animated creatures, culminating in a qualitatively unique god aristotelian argument that forms the basis for the fourth of aquinas's five ways. The ontological argument seems to say that because, according to the concept of god, god exists 'necessarily', that is not contingently, without dependence on anything else, then 'god exists' must be true. Pascal's wager is an argument in philosophy presented by the seventeenth-century french philosopher, mathematician and physicist blaise pascal (1623-62) it posits that humans bet with their lives that god either exists or does not.
Descartes gives at least two arguments for god's existence the first one, found in i14, is a version of the ontological argument for god's existence descartes' ontological argument goes as follows: (1) our idea of god is of a perfect being, (2) it is more perfect to exist than not to exist, (3) therefore, god must exist.
(5) it must be god who created me and gave me the ideas of a perfect god descartes' argument in meditation v (the ontological argument): (1) the essence of god is to be a perfect being. There are, however, other problems with descartes' arguments for the existence of god the ontological argument is particularly faulty ontological arguments are common in the history of philosophy. The ontological argument is an argument for god's existence based entirely on reason according to this argument, there is no need to go out looking for physical evidence of god's existence we can work out that he exists just by thinking about it.
Ontological arguments are arguments, for the conclusion that god exists, from premises which are supposed to derive from some source other than observation of the world—eg, from reason alone. A descartes' first argument for the existence of god is based on two principles 1 principle of sufficient reason (sr) -- the thesis that everything has a cause. Descartes' meditations ontological argument descartes's fifth meditation argument for god's existence relies on an untenable notion that existence is a perfection and that it can be predicated of god. Rene descartes' third meditation from his book meditations on first philosophy, examines descartes' arguments for the existence of god the purpose of this essay will be to explore descartes' reasoning and proofs of god's existence.
Arguments for god's existence i one of the classic questions of philosophy and philosophical argument is: is there a god i of course there are and have been many di erent de nitions of god, so it will be useful to have a particular. Descartes thought that the first part of the argument was provided by the stuff on real and immutable essences, and that i think is where he went wrong the second part is provided by the ontological argument as such, not an argument from definition to existence but an argument from possibility to actuality. In producing a causal analysis of the idea of god, descartes formulates what has become known as the causal, or cosmological argument for the existence of god the cosmological argument in meditation three is one of the places in descartes' normally clear and remarkably accessible canon that he is betrayed somewhat into the jargon-infested.
- descartes' trademark argument for god's existence the trademark argument (also known as the causal argument) tries to prove gods existence through the fact that we have an idea of him this argument rests on descartes' definition of cause and effect, which he considers a priori. Some key arguments from meditations iii-v i third meditation: the existence of god a cosmological proof of the existence of god in the 3rd meditation, descartes attempts to prove that god (i) exists, (ii) is the cause of.
In order to do this, descartes posits he must make an argument that avoids critics' accusations that the proof relies on circular reasoning in proving the existence of god from a philosophical level, he would be able to appeal to non-believers as well. One of the main premises that descartes uses in his proof for the existence of god comes from the evil demon argument, which he proposed, in the first meditation it is this evil demon argument, which will be the topic of the following discussion. Descartes argues that the essence of god cannot be known without knowing that god exists: god is a being whose essence implies his existence this is the ontological argument for god's existence the essence of matter.