Lets assume x = y
That means 2x = 2y
That means 2*(x-y) = 1*(x-y)

How did you go from line 2 to line 3, for ... 

x = y
or, 2x = 2y
or, 2x - 2y = 2y - 2y
or, x - y = 0

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... which was the origin with the assumption of x = y of course?

In reply to Re^2: Meaning Of error in perl by Anonymous Monk
in thread Meaning Of error in perl by grewal7634

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