A black and white clock with a swirling face to indicate time travel.

What is time? Can we travel to the past? What would that even mean? These are a few of the questions this course will explore through assigned readings and problem sets. (Image courtesy of CityGypsy11 on flickr. License CC-BY-NC.)


MIT Course Number


As Taught In

Spring 2015



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Course Description

Course Features

Course Description

This course is a study of basic metaphysical issues concerning existence, the mind-body problem, personal identity, and causation plus its implications for freedom. This class features classical as well as contemporary readings and it provides practice in written and oral communication.

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Related Content

Justin Khoo. 24.221 Metaphysics. Spring 2015. Massachusetts Institute of Technology: MIT OpenCourseWare, License: Creative Commons BY-NC-SA.

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