A mathematician walks into a bar, sits down, and...

[Jason_C]

Pandas don't sleep for weeks at a time.

I didn't say they did. He asked if there were Chinese bears; I proved that there where. He didn't ask if there were Chinese bears that went dormant in the winter.

Details, details, spam...

(Also, you used a { in the middle of the equation and a ] to presumably close it. That's bad form.)

I didn't use a ] to close it. I just didn't close it at all; that is, I was very tired and forgot to do so. :redface

Short answer: I'm right.

That you are. Points ahoy!