J Joshua New member Feb 23, 2011 #1 a -----------------> x b -----------------> y c There is an arrow going from the c in the third line up to the y in the second line. There is no other letter in the third line, just the c.
a -----------------> x b -----------------> y c There is an arrow going from the c in the third line up to the y in the second line. There is no other letter in the third line, just the c.
