Milkshakes, St. Thomas Aquinas, and Efficient Causality #AskAFriar (Aquinas 101)

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What does St. Thomas Aquinas say about efficient causality, and what are the kinds of efficient causes? How does the relationship between a being’s existence and its environment work in the ontology of St. Thomas? What is causal overdetermination—and what does all of this have to do with milkshakes? Big questions like these have been popping up in the comment boxes of our Aquinas 101 videos since the start of our very first season. In this video series with Fr. Ambrose Little, O.P., we will attempt to provide some answers.

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Milkshakes, St. Thomas, and Efficient Causality #AskAFriar (Aquinas 101) - Fr. Ambrose Little, O.P.

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Aquinas 101 is a project of the Thomistic Institute that seeks to promote Catholic truth through short, engaging video lessons. You can browse earlier videos at your own pace or enroll in one of our FREE Aquinas 101 courses on St. Thomas Aquinas and his masterwork, the Summa theologiae. In these courses, you'll learn from expert scientists, philosophers, and theologiansincluding Dominican friars from the Province of St. Joseph. Enroll today at And don’t forget to like and share with your friends, because it matters what you think!

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