If a<b should that 1/a > 1/b. I know that this is true, and I know that I can prove this by assuming a and b are natural numbers, but is there any other way of proving this statement?

If a<b should that 1/a > 1/b. I know that this is true, and I know that I can prove this by assuming a and b are natural numbers, but is there any other way of proving this statement?

If you mean to prove it in then, iff . Then, iff and and have the same sign.