I would like to type, with LyX, a vertical arrow directed to the equality sign and with (x>0) at the bottom, as described below:
|x| = x ^ | (x>0)
Could somebody here please help me?
C-m |x| \underset \stackrel \uparrow <Down> (x>0) <Right> <Right> <Left> x
It works! Thanks a lot!
Paul
