Name: _________________________

 

HW due 10/16/2008

 

 

 

Write this up as a 2-column proof. Neatness counts. If you ruin one version, please make a second printout and try again. Work must be your own, although you are welcome to ask Mr. Hansen and/or classmates for hints. There is no “time log” credit for this assignment; you need to really do it.

 

 

 

Given: ¯O
             Š1 @ Š2
             

 

Prove: