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teme92
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Homework Statement
Let E be a non-empty subset of the real numbers R. De fine carefully each of the terms
(i) 'y is an upper bound for E' and (ii) 'y is the least upper bound for E'
Homework Equations
The Attempt at a Solution
I've just started doing analysis and I'm unsure how I'm supposed to answer this. As its a definition I can't come up with any solution. Any help would be much appreciated. Thanks everyone