Why is 0! = 1?

Transcript

Why 0! equals to 1? Okay. Because it does seem to defy the idea of you multiply down until you get down to whatever one, and then you stop. I'm going to argue for this the same way I would argue a very sort of reverse of.. Oh no, not that. How would i do this? How do you argue that? Because you'll take it to be true, right? But it's the same proble... Read More