Levi

1) 1/∞ = 2/∞ 2) (∞/∞)(1/∞)=(∞/∞)(2/∞) 3) 1∞=2∞ 4) ∞=∞ The error involves simply canceling out the infinity denominator, when one needs to multiply each side by infinity over infinity (which reduces to 1/1 or 1). Now you have 2*∞ = 1*∞ which is true mathematically. Reduce to ∞=∞. Q.E.D.