Atheism and Theism

This philosophical dialogue between J.J.C. Smart and John Haldane represents a significant contribution to late twentieth-century debates about God's existence within the analytic tradition. The work structures itself as an extended exchange between Smart, defending atheism, and Haldane, advocating theism, with each philosopher presenting their position through alternating chapters followed by responses to their interlocutor.

Smart's atheistic case draws heavily on naturalistic philosophy and scientific materialism. He argues that contemporary physics and cosmology provide sufficient explanatory frameworks for understanding the universe without recourse to supernatural causation. Addressing traditional theistic arguments, Smart challenges the cosmological argument by questioning whether the universe requires an external cause, suggesting instead that existence itself might be a brute fact requiring no further explanation. He engages the design argument by proposing that apparent cosmic fine-tuning could result from natural selection among universes or simple necessity rather than divine intention. Smart particularly emphasizes the problem of evil as a decisive objection to theism, arguing that the scope and intensity of suffering in the world remains incompatible with belief in an omnipotent, benevolent deity.

Haldane counters from a Thomistic perspective, drawing on both classical scholastic philosophy and contemporary analytic methods. He defends a sophisticated version of the cosmological argument, maintaining that contingent beings require a necessary being as their ultimate ground. Regarding design, Haldane argues that the intelligibility of the universe and the emergence of consciousness point toward divine intention rather than mere chance. He addresses the problem of evil through a free will defense combined with arguments about the necessary limitations of created reality, suggesting that certain goods could not exist without the possibility of corresponding evils.

The dialogue's significance lies not merely in its content but in its methodological approach. By allowing extended development of positions followed by direct engagement with objections, the format mirrors the dialectical nature of philosophical inquiry itself. The work demonstrates how contemporary analytic philosophy can engage perennial theological questions while maintaining rigorous argumentative standards. Both authors show deep familiarity with historical arguments while incorporating insights from modern science and philosophy. This exchange has influenced subsequent discussions by modeling how theists and atheists can engage in substantive debate without caricaturing opposing positions, establishing a framework for productive philosophical dialogue about fundamental metaphysical questions.