Ontological Argument Critique

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The existence of God is a much debated philosophical argument that has mystified philosophers since the age of the ‘Enlightenment.’ Many of the different arguments put forth and analysed though, have not adequately proven God’s existence. Although in order to move forward, failed arguments must be studied to ensure that mistakes are not repeated. One such argument is the Ontological Argument.

This argument was first recorded by St. Anslem (1033-1109). Descartes adapts this argument in the fifth meditation in ‘Meditations on First Philosophy.’ He first establishes that whenever he thinks about a triangle, there are certain properties that must be present in order for the form to be a triangle. Further “even if perhaps no such figure exists, or has ever existed, anywhere outside my thought” (Cottingham, 1996), recognised properties, such as “its three angles equal two right angles”, (Cottingham, 1996) remain.

He applied this reasoning to the existence of God. Descartes thinks of “a supremely perfect being” (Cottingham, 1996) just as he thinks of the triangle. This being is God and has all the properties associated with God that makes him perfect in every way. He concedes that ‘essence’ is separate from ‘existence’, since knowing the properties of something does not mean it exists. Nonetheless, he maintains that God is different and links the existence of God to the number of sides of a triangle. Hence, Descartes reasons if God did not exist, then he would not be as perfect as a God who does, which contradicts the first assumption. Thus, “God exist”. (Cottingham, 1996)

This argument appears justifiable, but the feeling that something went amok lingers. This is the viewpoint of Gaunilo, who was the first to launch his object...

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...us, if God existed, then by Descartes reasoning he would be perfect, but if he does not exist, this does not take away from his perfection. (Hospers, 1997)

Thus, based on the objections noted, Ontological Argument appears to be defective.

Works Cited

Cardinal, D. et al. (2010) Philosophy of Religion London: Hodder Murray.

Cottingham, J. (1996) Descartes Meditations on First Philosophy:With Selections from the Objections and Replies Cambridge: Cambridge University Press.

Grim, P. (1982) ‘In behalf of ‘in behalf of the fool.’’ International Journal for Philosophy of Religion. Vol. 13, Issue 1, No. 0020-704, March 01 1982, p. 34.

Hospers, J. (1997) An Introduction to Philsoophical Analysis. 4th edition. London: Routledge Ltd.

Scruton, R. (1995) A Short History or Modern Philosophy: From Descartes to Wittgenstein. 2nd edition. London: Routledge.

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