Alvin Plantinga on the ontological argument
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- Rowe, W.L. Int J Philos Relig (2009) 65: 87. doi:10.1007/s11153-008-9182-9
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By taking ‘existence in reality’ to be a great-making property and ‘God’ to be the greatest possible being, Plantinga skillfully presents Anselm’s ontological argument. However, since he proves God’s existence by virtue of a premise, “God (a maximally great being) is a possible being”, that is true only if God actually exists; his argument begs the question of the existence of God.