Is the ontological proof for God’s existence an ontological proof for God’s existence?

Logic and Logical Philosophy 16 (4):289-309 (2007)

Two questions concerning Anselm of Canterbury’s theistic argument provided in Proslogion Ch. 2 are asked and answered: is the argument valid? under what conditions could it be sound? In order to answer the questions the argument is formalized as a first-order theory called AP2. The argument turns out to be valid, although it contains a hidden premise. The argument is also claimed not to be ontological one, but rather an a posteriori argument. One of the premises is found to be false, so the argument is claimed not to be sound and to fail to prove its conclusion
Keywords theistic argument  ontological argument  Ratio Anselmi
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Reprint years 2008
DOI 10.12775/LLP.2007.009
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Podstawy logiki modalnej. [REVIEW]Marcin Tkaczyk - 2006 - Roczniki Filozoficzne 54 (1):283-287.

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Ratio Anselmi Revisited.Marcin Tkaczyk - 2012 - European Journal for Philosophy of Religion 4 (2):127--146.

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