In this video, Aaron Ancell (Duke University) discusses the philosophical concept of soundness. After reviewing validity, he defines soundness: an argument is sound when it is valid and has all true premises. He reviews a few examples of sound and unsound arguments, and he encourages you to develop sound arguments on your own.

Assistant Professor at Bentley University

I am an assistant professor in the Department of Philosophy at Bentley University in Waltham, MA.

Previously, I held postdoctoral fellowships at the the EJ Safra Center for Ethics at Harvard University, and at the Centre for Ethics at the University of Toronto. I earned my PhD from Duke University in 2017.

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