Dr. Edmund Lazzari’s lecture critically assesses claims that artificial intelligence systems might possess souls, arguing from Thomistic philosophy and computational neuroscience that AI lacks genuine abstraction, intentionality, and the ontological requirements for immaterial intelligence.

This lecture was given on October 2nd, 2025, at University of Houston.

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About the Speakers:

Edmund Lazzari is Teaching Fellow in the Department of Catholic Studies at Duquesne University. Dr. Lazzari is also a member of the Aquinas and 'the Arabs' International Working Group and affiliated faculty of the Carl G. Grefenstette Center for Ethics in Science, Technology, and Law. A former Basselin Fellow, he earned an ecclesiastical licentiate degree in philosophy from the Catholic University of America, as well as a doctorate in systematic theology and ethics from Marquette University. He has previously taught philosophy and theology at Mount St. Mary's University, Marquette University, the Massachusetts Institute of Technology, and other universities not starting with the letter "M." Dr. Lazzari has published on a wide variety of topics in theology, such as theology and science, the thought of St. Thomas Aquinas, Catholic-Muslim dialogue, liturgical theology, machine learning/AI, Catholic ethics, and extraterrestrial intelligence. He is the author of two books: Why Nature Matters: Unlocking Catholic Doctrine through Commonsense Philosophy (2022) and Miracles in Said Nursi and Thomas Aquinas (Routledge, 2024).

Keywords: Abstraction And Universals, Artificial Neural Networks, Computational Neuroscience, Intentionality, LaMDA Case, Language Models, Ontological Requirements, Predication, Sentience Debate, Thomistic Analysis

Does AI Have a Soul? – Dr. Edmund Lazzari

The Thomistic Institute