I study the philosophers of the ancient Graeco-Roman world, especially the vibrant intellectual, scientific, and literary legacy that grew up around the work of Plato and Aristotle following their own lives and during the rise of the Roman Empire. My special focus has been the legacy of ancient logic and dialectical practice, leading to my doctoral work reconstructing the earliest commentaries on Aristotle's Categories – a seminal work whose influence has seeped into everyday speech. I am currently interested in the development of 'metaphysics' and formal ontology in the first surviving commentaries on Plato and Aristotle, culminating in th…

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