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International Philosophical Quarterly

Volume 59, Issue 4, December 2019

Robert J. Spitzer, S.J.
Pages 427-466

A Contemporary Metaphysical Proof for the Existence of God

This five-step metaphysical proof borrows from the metaphysical thought of Aquinas as well as from Bernard Lonergan’s proof of God in Insight. It makes several advances to proofs of God. Most importantly, by showing that an unconditioned (uncaused) reality must be unrestrictedly intelligible, the second step of the proof is original and lays a stronger foundation than previous proofs for the uniqueness of an unconditioned reality as well as its identification with an unrestricted act of thinking. This point strengthens the argument that this unique reality is a creator of everything else in reality. In so doing, it responds to contemporary criticisms of proofs of God by Richard Dawkins and others. This proof also adapts metaphysical ideas and terms to those arising out of the contemporary scientific world view, so that it is relevant and applicable to quantum and relativity theory, quantum cosmology, and other contemporary cosmological ideas, such as a multiverse and multidimensional physical realities.

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