Thomas Hobbes, De Corpore - "Of Identity And Difference" - Sadler's Lectures
From Sadler's Lectures by Lectures on classic and contemporary philosophical texts and thinkers by Gregory B. Sadler
June 12, 2026 · 10 min
About this episode
This lecture discusses key ideas from Thomas Hobbes' work De Corpore, focusing on identity and difference.
This lecture discusses key ideas from the modern philosopher Thomas Hobbes' work De Corpore, specifically ch 11. "Of Identity and Difference", part 7 In this section, Hobbes explores questions and problems of what makes a thing remain the same thing throughout its changes over time or in composition. He considers several different philosophical approaches to the issue, one which focuses on the matter, another which focuses on the form, and a third which focuses on the accidents of the presumed substance in question. He references Plutarch's famous Ship of Theseus problem in the course of his discussion. To support my ongoing work, go to my Patreon site - www.patreon.com/sadler If you'd like to make a direct contribution, you can do so here - www.paypal.me/ReasonIO - or at BuyMeACoffee - www.buymeacoffee.com/A4quYdWoM You can find over 3500 philosophy videos in my main YouTube channel - www.youtube.com/user/gbisadler Purchase Thomas Hobbes' De Corpore - https://amzn.to/4e4LUZj
People in this episode
Host: Gregory B. Sadler
Topics covered
- identity
- philosophy
- change
- Hobbes
- substance
- Plutarch
Keywords
- Thomas Hobbes
- De Corpore
- identity
- difference
- philosophy
- Ship of Theseus
- Plutarch
Mentioned in this episode
Organizations: Patreon, YouTube, PayPal, BuyMeACoffee
Books & works: De Corpore, Ship of Theseus
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