- #1
tronter
- 185
- 1
Is there an easier way...
to prove http://img410.imageshack.us/my.php?image=linug1.jpg"?
I did a proof by cases.
to prove http://img410.imageshack.us/my.php?image=linug1.jpg"?
I did a proof by cases.
Last edited by a moderator: