St anselm started what later became described as the “ontological argument,” which st thomas aquinas then took up and developed according to iris murdoch in metaphysics as a guide to morals, aquinas did not accept st anselm’s proof. On gödel’s ontological argument thomas metcalf, reply by graham oppy / letters article letters issue volume 3, issue 2 share facebook twitter upon first glance, that argument appears to be just as cogent as the original version, and has avoided oppy’s objection from incoherence. The kalām cosmological argument is a modern formulation of the cosmological argument for the existence of god named for the kalam (medieval islamic scholasticism), it was popularized by william lane craig in his the kalām cosmological argument (1979. The ontological argument is, roughly, the argument that god, being that than which no greater can be conceived, must exist, for if he did not then it would be possible to conceive of an existent god, which would be greater than that than which no greater can be conceived, which is absurd the ontological argument is the most maligned of the arguments described on this site. Modern versions of the ontological argument alvin plantinga norman malcolm norman malcolm anselm's proslogion 3 is stronger than proslogion 2 alvin plantinga.
Although there are many versions of the ontological argument, it is the original version, the one to be found in st anselm’s little treatise, proslogion (also sometimes referred to by its latinized title. The ontological argument can be used either as a prior argument to these other arguments, or as the last of these arguments43 if used first, the ontological argument gives good grounds to the other arguments and backs them up however, if the ontological argument fails, it does not threaten the success of the other theistic arguments. The first, and best-known, ontological argument was proposed by st anselm of canterbury in the 11th century ce here, i shall give a brief presentation of the version of the argument which is developed by anderson, and then make , descartes, spinoza, and kant’s critique of ontological arguments one chapter on ‘modern modal. The ontological argument is an a priori argument for god s existence which was rst formulated in the eleventh century by st anselm, was famously defended by rené descartes in the seventeenth century, and still has important modern advocates, such.
This is an essay about the ontological proof theologians and philosophers as the twentieth-century mathematicians who pioneered the theory of computation and modern computer science however, a deeper reason for gödel's contribution to the ontological argument is that the most sophisticated versions of the ontological argument are. It is known as the modal version of the ontological argument: 1 to say that there is possibly a god is to say that there is a possible world in which god exists 2 to say that god necessarily exists is to say that god exists in every possible world and ontological arguments for the existence of god read the critiques of the ontological. 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. The ontological argument is one of the more recent arguments we consider - it's only 1,000 years old many people find it perverse and baffling and accuse it of being circular or not proving anything, but it's a difficult argument to challenge. [list] ]the ontological argument [/list] jim holt points out that dawkins: dismisses [anselm’s] ontological argument as ‘infantile’ and ‘dialectical prestidigitation’ without quite identifying the defect in its logic he seems unaware that this argument, though medieval in origin, comes in sophisticated modern versions that are not at all easy to refute.
A modern advocate of the ontological argument is alvin plantinga (b1932) professor of philosophy at notre dame university, usa he has forcefully argued that kant's objection does not conflict with anything in anselm's argument. William lawhead claimed anselm had a better version of the standard ontological argument: here it is: 1) it is possible that god exists 2) god must be conceived as being the greatest possible being 3) the greatest possible being must be a necessary being. Anselm, the ontological argument a short selection of anselm's argument from proslogium 2 in the online reading for philosophical inquiry on this site ontological arguments a good discussion with extensive links to the history, classification, and classic objections to various versions of the ontological argument by graham oppy in the. The ontological argument presented by descartes in the fifth meditation is essentially a modern version of anselm's argument (2) g dicker, descartes: an analytical and historical introduction , oxford, oxford university press.
Modern versions of the ontological argument alvin plantinga if god's existence is necessary then he must exist in all worlds and have all the characteristics of god in them all. The modal version of the ontological argument asks us to accept the two assumptions due to anselm (or their equivalents) the first of these is if god exists (in the actual world), then god exists in all possible worlds accessible to the actual world. If the modal version of the ontological argument entails a contradiction (namely that god exists in all possible worlds and also that there is a possible world where nothing exists), then there must be some erroneous premise in that argument. Among the rational arguments for god’s existence there is the ontological argument, originally put forth – in its classical form – by the scholastic theologian andphilosopher anselm of canterbury (1033-1109) and subsequently reiterated, in slightly altered versions, by some of the modern thinkers.
The ontological argument for the existence of god is a classical christian argument that contends that the very concept of god logically and necessarily demands existence it is the argument that, if one understands what is meant by the word god and follows it out to the logical conclusion, it is. A reductio ad absurdum of the modal ontological argument based upon possible worlds semantics expounded by alvin plantinga and further developed by william lane craig you can dismiss the support request pop up for 4 weeks (28 days) if you want to be reminded again. Consequently, the modal ontological argument is a logical argument, but not an ontological argument in the sense of having any existential relevance no philosophical argument for the existence of god, can be initiated with a definition of god, because god is not within human experience. Weaknesses of the ontological argument the main weakness of anselm’s argument is posed by gaunilo of marmoutier, a contemporary of anselm, gaunilo posed, using reductio ad absurdum, that if the logic of the argument were applied to anything other than god, its conclusion would be unreasonable.