Question: Let S2 : {x R : x > 0}. Does S2 have lower bounds? Does S2 have upper bounds? Does inf S2 exist? Does

Let S2 :¼ {x ∈ R : x > 0}. Does S2 have lower bounds? Does S2 have upper bounds? Does inf S2 exist? Does sup S2 exist? Prove your statements.

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