Graham Oppy
Australian philosopher known for work in the philosophy of religion, offering critical analyses of arguments about the existence of God; author of Arguing about Gods and The Best Argument against God; professor at Monash University.
Books
This list of books are ONLY the books that have been ranked on the lists that are aggregated on this site. This is not a comprehensive list of all books by this author.
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1. Arguing About Gods
A rigorous survey and assessment of major arguments for and against the existence of a god, covering cosmological, ontological, teleological, moral, prudential, miracle, and religious experience arguments alongside challenges like evil and hiddenness. Drawing on analytic philosophy, logic, and probabilistic reasoning, it evaluates their dialectical strength and theoretical virtues such as simplicity and explanatory power. The conclusion is that none of these arguments are decisively compelling for neutral observers, with naturalistic accounts generally offering lower theoretical costs.
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2. The Best Argument Against God
Argues that, when judged by standard criteria of theory choice—simplicity, coherence, explanatory power, and fit with evidence—a naturalistic worldview outperforms theistic hypotheses. It surveys and critiques major arguments for God, including cosmological, design, moral, and experiential claims, contending that none provide net support once theoretical costs and viable alternatives are weighed. The central thesis is that the strongest case against theism is comparative: across the full evidential landscape, the theistic research program fares worse than naturalism, which can explain meaning, morality, and religious experience without invoking the divine.
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