Dr. Craig is always good to put you in the hot seat and get you to answer some questions.

We get a lot of them, people interacting with your work, we got a question from Canada.

David says, how does the peculiarity of moral supervenience, and we'll explain all this,

the peculiarity of moral supervenience factor into the moral argument.

Mackie seems to think that it's crucial, but I confess that I don't understand his own

account of it.

I don't understand what makes it so peculiar.

Can you help me with this?

Thank you for all your amazing work, David in Canada.

Well, if I understand David's question, it has to do with why certain physical situations

have the property of moral goodness to them and others have the property of being morally

evil.

For example, why is a mother's breastfeeding her infant a morally good state of affairs?

Where does that moral property come from?

Why does that moral property supervene on the physical situation of a mother breastfeeding

her child?

And why does the property of moral evil, or badness, supervene on someone sticking

a knife into someone else's back?

Why does that physical action of sticking a knife into another person have this moral property

of being evil?

And I agree with J. L. Mackie, former professor at Oxford University, that on a naturalistic

view, it's really hard to understand why these physical states of affairs would have

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