EDB — 078

Exercises

1. [078] (Proposed on 2022-10-13) Let \(B\) be a non-empty set that is bounded from below, let \(L\) the set of minorants of \(B\); we note that \(L\) is upper bounded, and suppose that \(𝛼=\sup L\) exists: then \(𝛼∈ L\) and \(𝛼=\inf B\).

   Solution 1

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