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Homework Statement
Let X={1/n: n[itex]\in[/itex]N} (where N is the set of natural numbers)
i) Does inf(X) exist?
ii) What is inf(X)?
Homework Equations
The Attempt at a Solution
I think I should try to prove inf(X) exists by considering it a Lower Limit, but I don't know how to go about doing that. Any help would be appreciated!