This video outlines Robert Nozick's truth-tracking account of knowledge and examines how it deals with the challenge of skepticism. I offer private tutoring in philosophy. For details please email me: [email protected] Support me on Patreon: / kanebaker91 Donate to my PayPal: https://paypal.me/kanebaker91 My Discord: / discord 0:00 - Introduction 0:29 - What is knowledge? 2:30 - Nozick's tracking theory 16:21 - Answering the skeptic 23:36 - Do I know that I'm not a brain in a vat? 27:23 - Epistemic closure 35:03 - Abominable conjunctions 40:53 - Inductive knowledge 44:56 - What is the closest possible world?