- #1

- 125

- 0

## Main Question or Discussion Point

I was wondering if someone can tell me if my approach to the proof is a correct one. (rather than typing it all out here and making a mess of the notation, I typed it up in latex and did a screencap then put that on imgur, so the following link has the proof)

http://i.imgur.com/gNFToKx.png

http://i.imgur.com/gNFToKx.png