Concluding our treatment of The Sources of Normativity. We give Korsgaard's tweaks to Kant, including her distinction between the categorical imperative and the moral law. We then explain her reference to Wittgenstein's private language argument in her argument that reason-giving, and hence morality, can't be merely self-referential. Get more at partiallyexaminedlife.com. Visit partiallyexaminedlife.com/support to get ad-free episodes and tons of bonus discussion, including a supporter-exclusive Nightcap comparing Korsgaard to Foot. Sponsors: Visit functionhealth.com/PEL to get the data you need to take action for your health. Get a $1/month e-commerce trial at shopify.com/pel. Learn about Mark's online political philosophy class at partiallyexaminedlife.com/class.

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“What did the council decide on item 42?” — answered with the speaker and the moment.