I have several questions for you.
Do you understand the proof?
Can you fill any of the 7 blanks? You should be able to give at least some justification if you understand the proof.
What is CPTPC?
Can someone please complete this proof??
Figure: http://i1250.photobucket.com/albums/...d/Picture9.png
Proof: http://i1250.photobucket.com/albums/.../Picture10.png
thanks!